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Airport Search Results for Airport Cities Starting with O
Airport Search Results for Airport Cities Starting with O
Your airport search results are below. The map will show you the landing facilities that meet your search criteria.
Click on the map to zoom in. Below the map is a table showing a listing of results by airport Name, City, State, Country, and Type of landing Facility. For detailed information just click on any of the names.
Click on the map to zoom in. Below the map is a table showing a listing of results by airport Name, City, State, Country, and Type of landing Facility. For detailed information just click on any of the names.
| 1160 Items Found | Red text in the Airport Type indicates a Private landing facility |
| Name (Airport IDs) | City | State | Country | Type |
|---|---|---|---|---|
| Name (Airport IDs) | City | State | Country | Type |
| Trade Wind(MA44) | Oak Bluffs | Massachusetts | United States | Airport |
| Mc Donald's Plaza(77IS) | Oak Brook | Illinois | United States | Heliport |
| Center Point(IL17) | Oak Brook | Illinois | United States | Heliport |
| Pleasant Valley(5CO8) | Oak Creek | Colorado | United States | Airport |
| Phippsburg(CD80) | Oak Creek | Colorado | United States | Heliport |
| Devil's Reach Landing(11VG) | Oak Grove | Virginia | United States | Airport |
| Kelly-Dumas(9M6) | Oak Grove | Louisiana | United States | Airport |
| Costello(2LA7) | Oak Grove | Louisiana | United States | Airport |
| Thomas(MU85) | Oak Grove | Missouri | United States | Airport |
| Powis(MO87) | Oak Grove | Missouri | United States | Airport |
| Oak Hammock Air Park(CAV9) | Oak Hammock Air Park | Manitoba | Canada | Airport |
| Barnes Lonesome Polecat Ranch(3WA5) | Oak Harbor | Washington | United States | Heliport |
| Aj Eisenberg(ODW KOKH OKH) | Oak Harbor | Washington | United States | Airport |
| Whidbey Island NAS /Ault Field/(NUW KNUW NUW) | Oak Harbor | Washington | United States | Airport |
| Johnny Voudouris(6TS7) | Oak Hill | Texas | United States | Heliport |
| Tully Rv Airpark(2FD6) | Oak Hill | Florida | United States | Airport |
| Oak Hill Hospital(OH72) | Oak Hill | Ohio | United States | Heliport |
| Eagle Air(1TS0) | Oak Island | Texas | United States | Airport |
| Cape Fear Regional Jetport/Howie Franklin Field(KSUT SUT) | Oak Island | North Carolina | United States | Airport |
| Holt Airpark(13GE) | Oak Park | Georgia | United States | Airport |
| Methodist Medical Center Of Oak Ridge Hospital(90TN) | Oak Ridge | Tennessee | United States | Heliport |
| Barham(01LA) | Oak Ridge | Louisiana | United States | Airport |
| Ds Butler Farm And Airfield(N83) | Oak Ridge | North Carolina | United States | Airport |
| Oak Valley(YOKV) | Oak Valley | South Australia | Australia | Airport |
| Oakdale(O27) | Oakdale | California | United States | Airport |
| Oakdale AHP(16PN) | Oakdale | Pennsylvania | United States | Heliport |
| Dyer(6LA4) | Oakdale | Louisiana | United States | Airport |
| Allen Parish(KACP ACP) | Oakdale | Louisiana | United States | Airport |
| Oakden Hills(YOKH) | Oakden Hills | South Australia | Australia | Airport |
| Oakdene(FB58) | Oakdene | Botswana | Airport | |
| Oakdene(FBOD) | Oakdene | Southern District | Botswana | Airport |
| Oakes Municipal(2D5) | Oakes | North Dakota | United States | Airport |
| Oakesdale(75DC) | Oakesdale | Washington | United States | Airport |
| Oakey(OKY YBOK) | Oakey | Queensland | Australia | Airport |
| RAF Cottesmore(OKH EGXJ) | Oakham | England | United Kingdom | Airport |
| Oakhampton(YOAM) | Oakhampton | New South Wales | Australia | Airport |
| Manstage Airfield(AG1568) | Oakhampton | England | United Kingdom | Airport |
| Blue Ridge Flightpark(34FD) | Oakhill | Florida | United States | Airport |
| Totty Field(8AR1) | Oakland | Arkansas | United States | Airport |
| Whitaker(60OR) | Oakland | Oregon | United States | Airport |
| Heavens Gate Ranch(2OR4) | Oakland | Oregon | United States | Airport |
| Lawler Heliport(0MI1) | Oakland | Michigan | United States | Heliport |
| Pegasus Field(7TN4) | Oakland | Tennessee | United States | Airport |
| Ridge(IA01) | Oakland | Iowa | United States | Airport |
| Metropolitan Oakland International(OAK KOAK OAK) | Oakland | California | United States | Airport |
| Children's Hospital Oakland(7CL1) | Oakland | California | United States | Heliport |
| Briley Farm(0FA5) | Oakland | Florida | United States | Seaplane Base |
| Greater Gortner(2MD8) | Oakland | Maryland | United States | Airport |
| Garrett County Memorial Hospital(3MD2) | Oakland | Maryland | United States | Heliport |
| Ward's(4MD2) | Oakland | Maryland | United States | Airport |
| Herrington Field(42MD) | Oakland | Maryland | United States | Airport |
| Garrett County(2G4) | Oakland | Maryland | United States | Airport |
| Six C's(52MI) | Oakland Township | Michigan | United States | Heliport |
| Wightman(7MI6) | Oakley | Michigan | United States | Airport |
| Oakley Microlight(AG6283) | Oakley | England | United Kingdom | Airport |
| Oakley Municipal(1U6) | Oakley | Idaho | United States | Airport |
| Oakley Municipal(KOEL OEL) | Oakley | Kansas | United States | Airport |
| Oakridge State(5S0) | Oakridge | Oregon | United States | Airport |
| Aubrey Mountain Airstrip(13OR) | Oakridge | Oregon | United States | Airport |
| Oaksey Park(EGTW) | Oaksey Park | England | United Kingdom | Airport |
| Ed-Air(KOTN I20) | Oaktown | Indiana | United States | Airport |
| Oakvale(YOKE) | Oakvale | Queensland | Australia | Airport |
| New Oakville Trafalgar Memorial Hospital Heliport(CTM9) | Oakville | Ontario | Canada | Heliport |
| Kimbrel Farm(WN48) | Oakville | Washington | United States | Airport |
| Oakville (Trafalgar Memorial Hospital) Heliport(CPE8) | Oakville | Ontario | Canada | Heliport |
| Carter Ranch(89TS) | Oakwood | Texas | United States | Airport |
| Oaky Creek(YOAY) | Oaky Creek | Queensland | Australia | Airport |
| Oamaru(OAM NZOU) | Oamaru | South Island | New Zealand | Airport |
| Oamites Landing Strip(AG2462) | Oamites | Khomas | Namibia | Airport |
| Oanob Resort(FYRH) | Oanob Resort | Namibia | Airport | |
| Oaonui(NZMQ) | Oaonui | Taranaki Region | New Zealand | Heliport |
| Xoxocotlán International(OAX MMOX) | Oaxaca | Oaxaca | Mexico | Airport |
| Fern Gully(NZFG) | Oban | Southland Region | New Zealand | Heliport |
| Lorn and Islands District General Hospital(AG4719) | Oban | Scotland | United Kingdom | Heliport |
| Oban(OBN EGEO) | Oban | Scotland | United Kingdom | Airport |
| Hacienda La Elvira Airport(HEV) | Obando | Valle del Cauca | Colombia | Airport |
| Praga Airport(OBA) | Obando | Valle del Cauca | Colombia | Airport |
| Obano(OBD WABR) | Obano-Papua Island | Papua | Indonesia | Airport |
| Obaye(FZNQ) | Obaye | Nord-Kivu | Democratic Republic of the Congo | Airport |
| Obbia(CMO HCMO) | Obbia | Mudug | Somalia | Airport |
| Obenteni(SPBT) | Obenteni | Ucayali Region | Peru | Airport |
| Ober-Mörlen(EDFP) | Ober-Mörlen | Hesse | Germany | Airport |
| Oberá Airport(SATO OBE) | Oberá | Misiones Province | Argentina | Airport |
| Oberems Airfield(AG4648) | Oberems | Hesse | Germany | Airport |
| Pelton(3OA3) | Oberlin | Ohio | United States | Heliport |
| Oberlin Municipal(KOIN OIN) | Oberlin | Kansas | United States | Airport |
| Shaw Aerial Spraying(7KS8) | Oberlin | Kansas | United States | Airport |
| Obermehler-Schlotheim(EDCO) | Obermehler | Thuringia | Germany | Airport |
| Oberon(YOBE) | Oberon | New South Wales | Australia | Heliport |
| Oberpfaffenhofen(OBF EDMO) | Oberpfaffenhofen | Bavaria | Germany | Airport |
| Oberpullendorf(LOAO) | Oberpullendorf | Burgenland | Austria | Heliport |
| Oberrot-Glashofen UL(AG5911) | Oberrot | Baden-Württemberg | Germany | Airport |
| Oberschleißheim Airfield(EDNX) | Oberschleißheim | Bavaria | Germany | Airport |
| Christophorus 16(LODO) | Oberwart | Burgenland | Austria | Heliport |
| Schwerpunkt(LOGR) | Oberwart | Burgenland | Austria | Heliport |
| Nadezhdinskoye(AG3896) | Obetovanni | Sirdaryo | Uzbekistan | Airport |
| Aeródromo de Óbidos(AG6765) | Óbidos | Lisbon District | Portugal | Airport |
| Óbidos Airport(SNTI SNTI) | Óbidos | Pará | Brazil | Airport |
| Tiriós(OBI SBTS) | Óbidos | Pará | Brazil | Airport |
| Tokachi-Obihiro(OBO RJCB) | Obihiro | Hokkaidō Prefecture | Japan | Airport |
| Obiyo(WA0N) | Obiyo | Papua | Indonesia | Airport |
| Poste(FEFB) | Obo | Haut-Mbomou | Central African Republic | Airport |
| Obo Airport(OBX OBO) | Obo | Western Province | Papua New Guinea | Airport |
| Obock(OBC HDOB) | Obock | Obock | Djibouti | Airport |
| Obokote(FZOJ) | Obokote | Maniema | Democratic Republic of the Congo | Airport |
| [X] Obonga(AG0610) | Obonga | Ontario | Canada | |
| Letneozerskiy Air Base(AG3154) | Obozerskiy | Arkhangelsk Oblast | Russia | Airport |
| Suwannee Farms(FL18) | O'Brien | Florida | United States | Airport |
| Obruchevka(AG2262) | Obruchevka | South Kazakhstan | Kazakhstan | Airport |
| Obura Airstrip(AYOD OBU) | Obura | Eastern Highlands | Papua New Guinea | Airport |
| Jumbolair(17FL) | Ocala | Florida | United States | Airport |
| Bernie Little(FL49) | Ocala | Florida | United States | Heliport |
| Lockheed Martin-Ocala(FL79) | Ocala | Florida | United States | Heliport |
| Ormc Trauma Center(3FD1) | Ocala | Florida | United States | Heliport |
| Ocala International-Jim Taylor Field(OCF KOCF OCF) | Ocala | Florida | United States | Airport |
| Mc Ginley(FL61) | Ocala | Florida | United States | Airport |
| Flying Dutchman Ranch(FD29) | Ocala | Florida | United States | Airport |
| Shady International(FA49) | Ocala | Florida | United States | Airport |
| Crosswind Farm(FL19) | Ocala | Florida | United States | Airport |
| Sheriff's Operation Center(3FL3) | Ocala | Florida | United States | Heliport |
| Sheriff's North Multi District Office(1FL6) | Ocala | Florida | United States | Heliport |
| Sheriff's South Multi District Office(FL68) | Ocala | Florida | United States | Heliport |
| Munroe Regional Medical Center(57FD) | Ocala | Florida | United States | Heliport |
| Leeward Air Ranch(FD04) | Ocala/Belleview | Florida | United States | Airport |
| Ocamo(AG4069) | Ocamo | Amazonas | Venezuela | Airport |
| El Jardin Airport(JDN) | Ocampo | Coahuila | Mexico | Airport |
| Aguas Claras Airport(OCV SKOC OCV) | Ocaña | Norte de Santander | Colombia | Airport |
| Saint-Exupéry(SDDK) | Ocauçu | São Paulo | Brazil | Airport |
| Fazenda Fartura(SDGF) | Ocauçu | São Paulo | Brazil | Airport |
| Ocean Beach(NZOB) | Ocean Beach | Southland Region | New Zealand | Heliport |
| Ocean City Municipal(26N) | Ocean City | New Jersey | United States | Airport |
| Ocean City Municipal(OCE KOXB OXB) | Ocean City | Maryland | United States | Airport |
| Ocean Falls Seaplane Base(ZOF CAH2) | Ocean Falls | British Columbia | Canada | Seaplane Base |
| Ocean Grove(YOCG) | Ocean Grove | Victoria | Australia | Heliport |
| Odell Williamson Municipal(60J) | Ocean Isle Beach | North Carolina | United States | Airport |
| Martin(WN88) | Ocean Park | Washington | United States | Airport |
| Ocean Shores Municipal(W04) | Ocean Shores | Washington | United States | Airport |
| Hogan's Corner(5WA8) | Ocean Shores | Washington | United States | Airport |
| Ocean Springs(5R2) | Ocean Springs | Mississippi | United States | Airport |
| Oceano County(L52) | Oceano | California | United States | Airport |
| Camp Pendleton MCAS (Munn Field)(KNFG NFG) | Oceanside | California | United States | Airport |
| MCOLF Camp Pendleton (Red Beach)(NXF) | Oceanside | California | United States | Airport |
| Oceanside Fire Department(CN30) | Oceanside | California | United States | Heliport |
| Bob Maxwell Memorial Airfield(OCN KOKB OKB) | Oceanside | California | United States | Airport |
| Tri-City Hospital(36CL) | Oceanside | California | United States | Heliport |
| Berlin(FL21) | Oceanway | Florida | United States | Heliport |
| Ochakiv Air Base(AG3748) | Ochakiv | Mykolaiv | Ukraine | Airport |
| Boscobel Aerodrome(OCJ MKBS) | Ocho Rios | Saint Mary | Jamaica | Airport |
| Lost Horn Ranch(FA80) | Ochopee | Florida | United States | Airport |
| Little Deer(16FA) | Ochopee | Florida | United States | Airport |
| Romor Ranch(FA74) | Ochopee | Florida | United States | Airport |
| Ochsenfurt(EDGJ) | Ochsenfurt | Bavaria | Germany | Airport |
| Ochsenhausen Airfield(AG5023) | Ochsenhausen | Baden-Württemberg | Germany | Airport |
| Elite Helicopters(GE14) | Ocilla | Georgia | United States | Heliport |
| Health Central(76FL) | Ocoee | Florida | United States | Heliport |
| Aurora Summit Medical Center(WI39) | Oconomowoc | Wisconsin | United States | Heliport |
| Oconomowoc(0WI8) | Oconomowoc | Wisconsin | United States | Airport |
| Oconto-J Douglas Bake Municipal(KOCQ OCQ) | Oconto | Wisconsin | United States | Airport |
| Sweetwater Bay(30W) | Oconto | Wisconsin | United States | Seaplane Base |
| Hshs St Clare Memorial Hospital(22WI) | Oconto Falls | Wisconsin | United States | Heliport |
| Ocosingo(AG6659) | Ocosingo | Chiapas | Mexico | Airport |
| Emory Ranch(0CA6) | Ocotillo | California | United States | Airport |
| Ocotillo(L90) | Ocotillo Wells | California | United States | Airport |
| Ocotlan Airport(OCT) | Ocotlan | Jalisco | Mexico | Airport |
| Ocracoke Island(W95) | Ocracoke | North Carolina | United States | Airport |
| Őcsény(LHOY) | Őcsény | Tolna | Hungary | Airport |
| Hanshell Flying Apple(84OH) | Octa | Ohio | United States | Airport |
| October(HEOC) | October | Cairo Governorate | Egypt | Airport |
| Odate Noshiro(ONJ RJSR) | Odate Noshiro | Akita Prefecture | Japan | Airport |
| Odendaalsrus(FAOD) | Odendaalsrus | Free State | South Africa | Airport |
| Odense(ODE EKOD) | Odense | South Denmark | Denmark | Airport |
| Town & Country Airpark(3AL6) | Odenville | Alabama | United States | Airport |
| [X] Dalnik Airfield(AG3743) | Odessa | Odessa | Ukraine | |
| Liman Airfield(AG3744) | Odessa | Odessa | Ukraine | Airport |
| Odessa International(ODS UKOO) | Odessa | Odesa | Ukraine | Airport |
| Odessa-Schlemeyer Field(KODO ODO) | Odessa | Texas | United States | Airport |
| Bates Field(71TA) | Odessa | Texas | United States | Airport |
| Medical Center Hospital(32XA) | Odessa | Texas | United States | Heliport |
| Ormc Helistop(XS29) | Odessa | Texas | United States | Heliport |
| Odessa / Strawberry Lakes Airstrip(CSL7) | Odessa | Saskatchewan | Canada | Airport |
| Odessa Municipal(43D) | Odessa | Washington | United States | Airport |
| Odessa Memorial Hospital Ems(9WA2) | Odessa | Washington | United States | Heliport |
| Lake Keystone Seaplane Base(57FL) | Odessa | Florida | United States | Seaplane Base |
| Robbins(MU20) | Odessa | Missouri | United States | Airport |
| Odienne(KEO DIOD) | Odienne | Denguélé | Côte d'Ivoire | Airport |
| RAF Odiham(ODH EGVO) | Odiham | England | United Kingdom | Airport |
| Bor(AG3086) | Odintsovo | Moscow Oblast | Russia | Heliport |
| Oedheim(EDGO) | Oedheim | Baden-Württemberg | Germany | Heliport |
| Oeiras(SNOE) | Oeiras | Piauí | Brazil | Airport |
| Oelde Bergeler(EDLU) | Oelde Bergeler | North Rhine-Westphalia | Germany | Airport |
| Bogner Field(SD71) | Oelrichs | South Dakota | United States | Airport |
| Bogner No Ii(1SD6) | Oelrich's | South Dakota | United States | Airport |
| Oelwein Municipal(KOLZ OLZ) | Oelwein | Iowa | United States | Airport |
| Mercy Hospital(IA57) | Oelwein | Iowa | United States | Heliport |
| Oenpelli(OPI YOEN) | Oenpelli | Northern Territory | Australia | Airport |
| Oerlinghausen(EDLO) | Oerlinghausen | North Rhine-Westphalia | Germany | Airport |
| Oestfyn Kerteminde(EK32) | Oestfyn Kerteminde | South Denmark | Denmark | Airport |
| St Elizabeth's Hospital(09IL) | O'fallon | Illinois | United States | Heliport |
| Campo di Volo Collerotondo(AQOFE) | Ofena | Abruzzi | Italy | Airport |
| Reinheim Airfield(AG4654) | Offenbach | Hesse | Germany | Airport |
| Offenburg(ZPA EDTO) | Offenburg | Baden-Württemberg | Germany | Airport |
| Ohlsbach UL(AG5913) | Offenburg | Baden-Württemberg | Germany | Airport |
| Offenbüttel UL(AG5912) | Offenbüttel | Schleswig-Holstein | Germany | Airport |
| Campo di Volo 'Blue Devil Centre'(BSOFL) | Offlaga (BS) | Lombardy | Italy | Airport |
| Oficina Victoria(AG0016) | Oficina Victoria | Tarapacá Region | Chile | Airport |
| Ofu(OFU NSAS Z08) | Ofu Village | American Samoa | United States | Airport |
| Ogallala Community Hospital(NE14) | Ogallala | Nebraska | United States | Heliport |
| Searle Field(OGA KOGA OGA) | Ogallala | Nebraska | United States | Airport |
| Shelburnes(35NE) | Ogallala | Nebraska | United States | Airport |
| Oganja(FY2P) | Oganja | Namibia | Airport | |
| Ogaryovo(AG2977) | Ogaryovo | Moscow Oblast | Russia | Heliport |
| Hill AFB(HIF KHIF HIF) | Ogden | Utah | United States | Airport |
| Mc Kay-Dee Hospital Center(UT16) | Ogden | Utah | United States | Heliport |
| Ogden-Hinckley(OGD KOGD OGD) | Ogden | Utah | United States | Airport |
| Ogdensburg International(OGS KOGS OGS) | Ogdensburg | New York | United States | Airport |
| Ogeranang Airport(OGE AYOG OGN) | Ogeranang | Morobe Province | Papua New Guinea | Airport |
| [X] Ogilvie(AG0611) | Ogilvie | Yukon Territory | Canada | |
| Ogilvie River Airport(CFS4) | Ogilvie River | Yukon Territory | Canada | Airport |
| Ogle(OGL SYGO) | Ogle | Demerara-Mahaica | Guyana | Airport |
| Campo di Volo 'Girasole Vola'(OGGIR) | Ogliastra | Sardinia | Italy | Airport |
| Ogoki Post Airport(YOG CYKP CYKP) | Ogoki Post | Ontario | Canada | Airport |
| RNZAF Base Ohakea(NZOH) | Ohakea | Manawatu-Wanganui Region | New Zealand | Airport |
| Henry Dam(9AL4) | Ohatchee | Alabama | United States | Heliport |
| Kermizian(0NY3) | Ohio | New York | United States | Airport |
| Ohioport(PS10) | Ohiopyle | Pennsylvania | United States | Heliport |
| Ohlsenhagen Landing Site(FY2Q) | Ohlsenhagen | Omaheke | Namibia | Airport |
| Ohlstadt Airfield(AG4352) | Ohlstadt | Bavaria | Germany | Airport |
| Ohorongo(FY2R) | Ohorongo | Namibia | Airport | |
| Ohotone(RJA2) | Ohotone | Tokyo Prefecture | Japan | Airport |
| Ohrid St. Paul the Apostle(OHD LWOH) | Ohrid | Ohrid | Macedonia | Airport |
| Baumerlenbach Airfield(AG4577) | Öhringen | Baden-Württemberg | Germany | Airport |
| Oiapoque(OYK SBOI) | Oiapoque | Amapá | Brazil | Airport |
| Dougall Campbell Field(CDC5) | Oie Lake | British Columbia | Canada | Airport |
| Thackers(LA11) | Oil City | Louisiana | United States | Airport |
| Van Es Ranch(13TS) | Oilton | Texas | United States | Airport |
| Hilltop(40OK) | Oilton | Oklahoma | United States | Airport |
| Oita(OIT RJFO) | Oita | Ōita Prefecture | Japan | Airport |
| Majlar(6CL5) | Ojai | California | United States | Heliport |
| Rainbow(WI37) | Ojibwa | Wisconsin | United States | Airport |
| Ojika(RJDO) | Ojika | Nagasaki Prefecture | Japan | Airport |
| Ojo de Agua(SVOJ) | Ojo de Agua | Barinas | Venezuela | Airport |
| Real del Castillo Airstrip(AG2348) | Ojos Negros | Baja California | Mexico | Airport |
| Okaba(OKQ WAKO) | Okaba-Papua Island | Papua | Indonesia | Airport |
| Okahandja Airstrip(FYON) | Okahandja | Otjozondjupa | Namibia | Airport |
| Okahao(FYOH) | Okahao | Namibia | Airport | |
| Okahennesiva Landing Site(AG2480) | Okahennesiva Landing Site | Omaheke | Namibia | Airport |
| Okakarara(FYOK) | Okakarara | Namibia | Airport | |
| Okakarara(AG6716) | Okakarara | Otjozondjupa Region | Namibia | Airport |
| Okamapu Landing Site(FYMP) | Okamapu | Omaheke | Namibia | Airport |
| Okamatipati(FY2S) | Okamatipati | Namibia | Airport | |
| Okanduka Ranch(FY2T) | Okanduka Ranch | Namibia | Airport | |
| Okangwati(FYKW) | Okangwati | Namibia | Airport | |
| Okanogan Legion(S35) | Okanogan | Washington | United States | Airport |
| Okao Airport(OKV OKO) | Okao | Western (Fly River) | Papua New Guinea | Airport |
| Okapanje(AG2468) | Okapanje | Khomas | Namibia | Airport |
| Okaperuperu(FYPR) | Okaperuperu | Namibia | Airport | |
| Okapuka(FYPA) | Okapuka | Namibia | Airport | |
| Okaputa(FYKP) | Okaputa | Namibia | Airport | |
| Okara Cantonment Airstrip(OPOK) | Okara | Punjab | Pakistan | Airport |
| Okarche(3OK1) | Okarche | Oklahoma | United States | Airport |
| Okatjuru(FYOF) | Okatjuru | Namibia | Airport | |
| Okatopi(FY2V) | Okatopi | Oshikoto | Namibia | Airport |
| Okaukuejo(OKF FYOO) | Okaukuejo | Kunene | Namibia | Airport |
| Kwara Camp(AG7845) | Okavango Delta | North-West District | Botswana | Airport |
| Shindi Lodge(FBSH) | Okavango Delta | North-West District | Botswana | Airport |
| Rann(AG5793) | Okavango Delta | North-West District | Botswana | Airport |
| Sanctuary Stanley(AG5794) | Okavango Delta | North-West District | Botswana | Airport |
| Nxabega Safari(AG5791) | Okavango Delta | North-West District | Botswana | Airport |
| Okayama(OKJ RJOB) | Okayama | Okayama Prefecture | Japan | Airport |
| Okba Ibn Nafa Air Base(HL77) | Okba Ibn Nafa | An Nuqat al Khams District | Libya | Airport |
| Okbape(WA0O) | Okbape | Papua | Indonesia | Airport |
| Okchuk-tong(AG6612) | Okchuk-tong, Daecheongdo | Incheon Gwang'yeogsi | South Korea | Heliport |
| King Knoll(OI84) | Okeana | Ohio | United States | Airport |
| Okeechobee County(OBE KOBE OBE) | Okeechobee | Florida | United States | Airport |
| Brighton(60FA) | Okeechobee | Florida | United States | Heliport |
| Hca Raulerson Hospital(26FL) | Okeechobee | Florida | United States | Heliport |
| River Oak(00FL) | Okeechobee | Florida | United States | Airport |
| Lykes Brighton(8FD5) | Okeechobee | Florida | United States | Airport |
| River Acres(FD70) | Okeechobee | Florida | United States | Airport |
| Sunniland Ranch(08FD) | Okeechobee | Florida | United States | Airport |
| Citrus Hedging Ranch(96FD) | Okeechobee | Florida | United States | Airport |
| Flying Cow Air Ranch(FD39) | Okeechobee | Florida | United States | Airport |
| Lake Montaza(83FD) | Okeechobee | Florida | United States | Airport |
| Amistad Ranch(15FA) | Okeechobee | Florida | United States | Heliport |
| Amistad North Heliport(FD40) | Okeechobee | Florida | United States | Heliport |
| Amistad Central(18FA) | Okeechobee | Florida | United States | Heliport |
| Paxton(90FL) | Okeechobee | Florida | United States | Airport |
| Sunset Strip Airpark(32FA) | Okeechobee | Florida | United States | Airport |
| Recreation Corporation(33FA) | Okeechobee | Florida | United States | Airport |
| Christman Airfield(O65) | Okeene | Oklahoma | United States | Airport |
| Lamle(8OK0) | Okeene | Oklahoma | United States | Airport |
| Okemah Flying Field(F81) | Okemah | Oklahoma | United States | Airport |
| Muscogee (Creek) Nation Community Hospital(6OK5) | Okemah | Oklahoma | United States | Heliport |
| Okha(OHH UHSH) | Okha | Sakhalin Oblast | Russia | Airport |
| Okhika(WA0P) | Okhika | Papua | Indonesia | Airport |
| Okhotsk(OHO UHOO) | Okhotsk | Khabarovsk Krai | Russia | Airport |
| Okhtyrka Air Base(AG3760) | Okhtyrka | Sumy | Ukraine | Airport |
| Oki(OKI RJNO) | Oki Island | Shimane Prefecture | Japan | Airport |
| Okierabu(OKE RJKB) | Okierabu Jima | Kagoshima Prefecture | Japan | Airport |
| Okillagte(FB59) | Okillagte | Botswana | Airport | |
| Okisai Airstrip(AYOH OKS) | Okisai | Sandaun (West Sepik) | Papua New Guinea | Airport |
| Okiwi Station(NZOX) | Okiwi Station | Auckland Region | New Zealand | Airport |
| Warren Cat(99OK) | Oklahoma City | Oklahoma | United States | Heliport |
| Presbyterian Hospital(97OK) | Oklahoma City | Oklahoma | United States | Heliport |
| Boeing Mrotc(OK57) | Oklahoma City | Oklahoma | United States | Heliport |
| Mercy Health Center(OL16) | Oklahoma City | Oklahoma | United States | Heliport |
| Kwtv(42OK) | Oklahoma City | Oklahoma | United States | Heliport |
| 5 Alive(41OK) | Oklahoma City | Oklahoma | United States | Heliport |
| Integris Southwest Medical Center(50OK) | Oklahoma City | Oklahoma | United States | Heliport |
| Oklahoma National Guard(77OK) | Oklahoma City | Oklahoma | United States | Heliport |
| Sundance(KHSD HSD) | Oklahoma City | Oklahoma | United States | Airport |
| Nu-Tech Energy Co(8OK9) | Oklahoma City | Oklahoma | United States | Heliport |
| Omh(9OK1) | Oklahoma City | Oklahoma | United States | Heliport |
| Governor's Mansion(9OK0) | Oklahoma City | Oklahoma | United States | Heliport |
| Tinker AFB(TIK KTIK TIK) | Oklahoma City | Oklahoma | United States | Airport |
| Integris Baptist Medical Center(OK19) | Oklahoma City | Oklahoma | United States | Heliport |
| Jernigan Drilling(5OK7) | Oklahoma City | Oklahoma | United States | Heliport |
| Will Rogers World(OKC KOKC OKC) | Oklahoma City | Oklahoma | United States | Airport |
| St Anthony(3OK4) | Oklahoma City | Oklahoma | United States | Heliport |
| Wiley Post(PWA KPWA PWA) | Oklahoma City | Oklahoma | United States | Airport |
| Clarence E Page Municipal(KRCE RCE) | Oklahoma City | Oklahoma | United States | Airport |
| Lake Weir(24FA) | Oklawaha | Florida | United States | Seaplane Base |
| Woods And Lakes Airpark(FA38) | Oklawaha | Florida | United States | Airport |
| Okmulgee Regional(OKM KOKM OKM) | Okmulgee | Oklahoma | United States | Airport |
| Okolona Municipal-Richard Stovall Field(5A4) | Okolona | Mississippi | United States | Airport |
| Ball(5MS8) | Okolona | Mississippi | United States | Airport |
| Okombahe(FYAH) | Okombahe | Erongo | Namibia | Airport |
| Godehoop Landing Site(AG2487) | Okombahe | Erongo | Namibia | Airport |
| Okomitundu(FYOD) | Okomitundu | Namibia | Airport | |
| Okondja(OKN FOGQ) | Okondja | Haut-Ogooué Province | Gabon | Airport |
| Okondjatu(FY2X) | Okondjatu | Namibia | Airport | |
| Okongo(FYKG) | Okongo | Namibia | Airport | |
| Okongo(AG6717) | Okongo | Ohangwena Region | Namibia | Airport |
| Okongwati(AG6718) | Okongwati | Kunene Region | Namibia | Airport |
| Okonjima(FYKN) | Okonjima | Namibia | Airport | |
| Okorusu Mine(FYKR) | Okorusu Mine | Namibia | Airport | |
| Okosongoro(FY2Y) | Okosongoro | Otjozondjupa | Namibia | Airport |
| Calgary / Okotoks (Rowland Field)(CRF4) | Okotoks | Alberta | Canada | Airport |
| Okoyo(OKG) | Okoyo | Cuvette | Republic of the Congo | Airport |
| Okozongomingo(FYOZ) | Okozongomingo | Namibia | Airport | |
| Okpyong ni(AG2205) | Okpyong ni | Kangwon-do | North Korea | Airport |
| Oksapmin Airport(OKP AYOJ OKN) | Oksapmin | Sandaun (West Sepik) | Papua New Guinea | Airport |
| Oksibil(OKL WAJO) | Oksibil-Papua Island | Papua | Indonesia | Airport |
| Oktyabrskiy(ULKO) | Oktyabrskiy | Arkhangelsk Oblast | Russia | Airport |
| Oktyabrskiy Air Base(AG2838) | Oktyabrskiy | Volgograd Oblast | Russia | Airport |
| Oktyabrskoe Air Base(AG3693) | Oktyabrskoe | Crimea | Ukraine | Airport |
| [X] Okulovka(AG3113) | Okulovka | Novgorod Oblast | Russia | |
| Okunev Nos(AG3093) | Okunev Nos | Komi Republic | Russia | Airport |
| Okushiri(OIR RJEO) | Okushiri | Hokkaidō Prefecture | Japan | Airport |
| Okwa(FBOK) | Okwa | Ghanzi District | Botswana | Airport |
| Ólafsfjörður(BIOF) | Ólafsfjörður | Northeastern Region (Iceland) | Iceland | Airport |
| El Arrayan(MHEA) | Olanchito | Yoro | Honduras | Airport |
| Ölanda(ESMZ) | Ölanda | Kalmar län | Sweden | Airport |
| Clifford Field(1CO4) | Olathe | Colorado | United States | Airport |
| Ash Mesa(37CO) | Olathe | Colorado | United States | Heliport |
| New Century Aircenter(JCI KIXD IXD) | Olathe | Kansas | United States | Airport |
| Cedar Air Park(51K) | Olathe | Kansas | United States | Airport |
| Clear View Farm(97KS) | Olathe | Kansas | United States | Airport |
| Johnson County Executive(OJC KOJC OJC) | Olathe | Kansas | United States | Airport |
| Olavarria Airport(SAZF OLA) | Olavarria | Buenos Aires Province | Argentina | Airport |
| Olavarria Aeroclub Airport(SAA4 OLC) | Olavarria | Buenos Aires Province | Argentina | Airport |
| Olbia / Costa Smeralda(OLB LIEO) | Olbia | Sardinia | Italy | Airport |
| Aviosuperficie La Smeraldina(AG6425) | Olbia (OT) | Sardinia | Italy | Airport |
| Olcott-Newfane(D80) | Olcott | New York | United States | Airport |
| Old Andado(YOAD) | Old Andado | Northern Territory | Australia | Airport |
| Old Arafura(YOAF) | Old Arafura | Northern Territory | Australia | Airport |
| Old Bar Heritage(YOBR) | Old Bar | New South Wales | Australia | Airport |
| Ashford Field(7TX9) | Old Boston | Texas | United States | Airport |
| Old Bridge(3N6) | Old Bridge | New Jersey | United States | Airport |
| Old Buckenham(EGSV) | Old Buckenham | England | United Kingdom | Airport |
| Old Bundemar(YBDM) | Old Bundemar | New South Wales | Australia | Airport |
| Old Crow(YOC CYOC CYOC) | Old Crow | Yukon Territory | Canada | Airport |
| Old Forge(NK26) | Old Forge | New York | United States | Airport |
| Old Goodparla(YGPA) | Old Goodparla | Northern Territory | Australia | Airport |
| Old Harbor(OLH 6R7) | Old Harbor | Alaska | United States | Airport |
| Blease Hall(AG1532) | Old Hutton | England | United Kingdom | Airport |
| Mile Creek(5CT7) | Old Lyme | Connecticut | United States | Airport |
| Blackhawk(6MO0) | Old Monroe | Missouri | United States | Airport |
| Peterson(08XS) | Old Ocean | Texas | United States | Airport |
| Nance(8LL0) | Old Ripley | Illinois | United States | Airport |
| Old Sarum Airfield(EGLS) | Old Sarum | England | United Kingdom | Airport |
| Old Station(YOSN) | Old Station | Queensland | Australia | Airport |
| Dewitt Field, Old Town Municipal(OLD KOLD OLD) | Old Town | Maine | United States | Airport |
| Manatee Springs(5FD0) | Old Town | Florida | United States | Airport |
| Manatee(FD80) | Old Town | Florida | United States | Seaplane Base |
| Old Town Ems(0FL3) | Old Town | Florida | United States | Heliport |
| Old Warden Airfield(EGTH) | Old Warden | England | United Kingdom | Airport |
| La Rue(OH94) | Old Washington | Ohio | United States | Airport |
| Oldenburg-Hatten(EDWH) | Oldenburg | Lower Saxony | Germany | Airport |
| Oldonyo Farm(AG2000) | Oldonyo Farm | Eastern Province | Kenya | Airport |
| Olds (Netook) Airport(CFK6) | Olds | Alberta | Canada | Airport |
| Olds (Hospital) Heliport(CFU9) | Olds | Alberta | Canada | Heliport |
| Olds / North 40 Ranch Airstrip(CTY4) | Olds / North 40 Ranch | Alberta | Canada | Airport |
| Olds-Didsbury Airport(CEA3) | Olds, Didsbury | Alberta | Canada | Airport |
| Shepard Strip(07ID) | Oldtown | Idaho | United States | Airport |
| Giermek Executive(8G3) | Olean | New York | United States | Airport |
| Olean General(5NK4) | Olean | New York | United States | Heliport |
| Cattaraugus County-Olean(OLE KOLE OLE) | Olean | New York | United States | Airport |
| Reiss Game Farm(75NY) | Olean | New York | United States | Airport |
| Olyokminsk(UEMO) | Olekminsk | Sakha (Yakutia) Republic | Russia | Airport |
| Oleksandriya Air Base(AG3714) | Oleksandriya | Kirovohrad | Ukraine | Heliport |
| Olema(ULJO) | Olema | Arkhangelsk Oblast | Russia | Airport |
| Olenya Air Base(XLMO) | Olenegorsk | Murmansk Oblast | Russia | Airport |
| Olenyok(UERO) | Olenek | Sakha (Yakutia) Republic | Russia | Airport |
| Olenitsa(AG4847) | Olenitsa | Murmansk Oblast | Russia | Airport |
| Olerai(AG1965) | Olerai | Rift Valley Province | Kenya | Airport |
| Oleleren(AG2054) | Olereren | Rift Valley Province | Kenya | Airport |
| Oleshabani(AG1966) | Oleshabani | Rift Valley Province | Kenya | Airport |
| [X] Olesnica Air Base(AG2699) | Oleśnica | Lower Silesia Voivodeship | Poland | |
| Olga Bay(KOY KOY) | Olga Bay | Alaska | United States | Seaplane Base |
| Olga Downs(YOGD) | Olga Downs | Queensland | Australia | Airport |
| Ölgii Mongolei(ULG ZMUL) | Ölgii | Bayan-Ölgii Province | Mongolia | Airport |
| Olginskaya Airstrip(AG3098) | Olginskaya | Krasnodar Krai | Russia | Airport |
| Olifants River Bridge Landing Strip(FAOR) | Olifants River Bridge | Limpopo | South Africa | Airport |
| Jack Duvenhage(FAOF) | Olifantshoek | Northern Cape | South Africa | Airport |
| Olifantwater West Landing Site(FY2Z) | Olifantwater | Hardap | Namibia | Airport |
| Lazzuli(SIEH) | Olinda | Pernambuco | Brazil | Heliport |
| Olinda (DSE) Helibase(ZZZZ) | Olinda / Mt Dandenong | Victoria | Australia | Heliport |
| Oliva Airport(SAA5 OLV) | Oliva | Córdoba Province | Argentina | Airport |
| Olive Branch(OLV KOLV OLV) | Olive Branch | Mississippi | United States | Airport |
| Womstead Field(2KY5) | Olive Hill | Kentucky | United States | Airport |
| Oliveira(SNRZ) | Oliveira | Minas Gerais | Brazil | Airport |
| Oliver Airport(CAU3) | Oliver | British Columbia | Canada | Airport |
| Oliver Springs Inc(TN08) | Oliver Springs | Tennessee | United States | Airport |
| Wolf Point(TE61) | Olivia | Texas | United States | Heliport |
| Olivia Regional(KOVL OVL) | Olivia | Minnesota | United States | Airport |
| Renville County Regional Hospital(MN64) | Olivia | Minnesota | United States | Heliport |
| Oljogi Ranch(AG2091) | Oljogi Ranch | Rift Valley Province | Kenya | Airport |
| Olkiombo(AG2095) | Olkiombo | Rift Valley Province | Kenya | Airport |
| Olkurruk Mara(AG2083) | Olkurruk Mara | Rift Valley Province | Kenya | Airport |
| Olla(L47) | Olla | Louisiana | United States | Airport |
| Olmaisor(AG1987) | Olmaisor | Rift Valley Province | Kenya | Airport |
| Olmos(SPHL) | Olmos | Lambayeque Region | Peru | Airport |
| Olmué(SCOM) | Olmue | Valparaíso Region | Chile | Airport |
| Olney Municipal(ONY KONY ONY) | Olney | Texas | United States | Airport |
| Montgomery County Police Norwood(MD58) | Olney | Maryland | United States | Heliport |
| Medstar Montgomery Medical Center(18MD) | Olney | Maryland | United States | Heliport |
| Richland Memorial Hospital(8LL4) | Olney | Illinois | United States | Heliport |
| Olney-Noble(OLY KOLY OLY) | Olney-Noble | Illinois | United States | Airport |
| Olomai(SDRM) | Olomai | Brazil | Airport | |
| Teaching Hospital -Surgical Pavilion(AG1105) | Olomou | Olomouc Region | Czech Republic | Heliport |
| Olomouc Glider(OLO LKOL) | Olomouc | Olomouc Region | Czech Republic | Airport |
| Tabulový Vrch(AG1104) | Olomouc | Olomouc Region | Czech Republic | Heliport |
| [X] Nurmalitsy Air Base(AG3161) | Olonec | Republic of Karelia | Russia | |
| Subic Bay International(SFS RPLB) | Olongapo City | Zambales | Philippines | Airport |
| Centre Hospitalier(AG1235) | Oloron Sainte Marie | Nouvelle-Aquitaine | France | Heliport |
| [X] Karaksar Air Base(AG3167) | Olovyannaya | Zabaykalsky Krai | Russia | |
| Olpejeta(AG1992) | Olpejeta | Rift Valley Province | Kenya | Airport |
| North West Santo(NVSZ) | Olpoi | Sanma | Vanuatu | Airport |
| Laflin Ranch(SN99) | Olsburg | Kansas | United States | Airport |
| Olsobip Airport(OLQ OLS) | Olsobip | Western Province | Papua New Guinea | Airport |
| Olsztyn Dajtki(EPOD) | Olsztyn Dajtki | Warmia-Masuria Voivodeship | Poland | Airport |
| Łańsk / Gryźliny(EPLN) | Olsztynek | Warmia-Masuria Voivodeship | Poland | Airport |
| Olten(LSPO) | Olten | Canton of Solothurn | Switzerland | Airport |
| Oltipesi(HTOL) | Oltipesi | Manyara | Tanzania | Airport |
| Rose Ranch(XS06) | Olton | Texas | United States | Airport |
| Olustee Municipal(F09) | Olustee | Oklahoma | United States | Airport |
| Olympia Regional(OLM KOLM OLM) | Olympia | Washington | United States | Airport |
| Providence St Peters Hospital(8WA4) | Olympia | Washington | United States | Heliport |
| Fishtrap(WN12) | Olympia | Washington | United States | Heliport |
| Capitol Medical Center(WN58) | Olympia | Washington | United States | Heliport |
| LZ Ranch(14WA) | Olympia | Washington | United States | Airport |
| Olympia(0WN4) | Olympia | Washington | United States | Heliport |
| Gower Field(6WA2) | Olympia | Washington | United States | Airport |
| Hoskins Field(44T) | Olympia | Washington | United States | Airport |
| Franciscan St James Health - Olympia Fields(IS30) | Olympia Fields | Illinois | United States | Heliport |
| Olympic Dam(OLP YOLD) | Olympic Dam | South Australia | Australia | Airport |
| Cinram Group Inc(40PA) | Olyphant | Pennsylvania | United States | Heliport |
| Offutt AFB(OFF KOFF OFF) | Omaha | Nebraska | United States | Airport |
| Bergan Mercy Hospital(55NE) | Omaha | Nebraska | United States | Heliport |
| Immanuel Medical Center(NE71) | Omaha | Nebraska | United States | Heliport |
| Nebraska Methodist Hospital(58NE) | Omaha | Nebraska | United States | Heliport |
| Univ Of Ne Medical Center(61NE) | Omaha | Nebraska | United States | Heliport |
| Bates Airpark(9NE6) | Omaha | Nebraska | United States | Airport |
| Eppley Airfield(OMA KOMA OMA) | Omaha | Nebraska | United States | Airport |
| St Joseph Hospital(10NE) | Omaha | Nebraska | United States | Heliport |
| North Omaha(3NO) | Omaha | Nebraska | United States | Airport |
| Millard(MIQ KMLE MLE) | Omaha | Nebraska | United States | Airport |
| Sutton(2IL5) | Omaha | Illinois | United States | Airport |
| Omaha Landing Site(AG2489) | Omaha Landing Site | Otjozondjupa | Namibia | Airport |
| Omak(OMK KOMK OMK) | Omak | Washington | United States | Airport |
| Mid-Valley Hospital Ems(9WA5) | Omak | Washington | United States | Heliport |
| Wings For Christ(0WN9) | Omak | Washington | United States | Airport |
| Omaka Blenheim(NZOM) | Omaka | Marlborough Region | New Zealand | Airport |
| Omawewoz(AG2402) | Omamewozonyanda | Omaheke | Namibia | Airport |
| Omarama Glider(NZOA) | Omarama | Canterbury Region | New Zealand | Airport |
| Omaruru Game Lodge(FYGL) | Omaruru | Erongo | Namibia | Airport |
| Omaruru(FYOM) | Omaruru | Erongo | Namibia | Airport |
| Omatako Ranch(FY30) | Omatako Ranch | Namibia | Airport | |
| Omatarassu(FYMR) | Omatarassu | Namibia | Airport | |
| Omatjete(FY31) | Omatjete | Namibia | Airport | |
| Omaura Airstrip(AYUO ORA) | Omaura | Eastern Highlands | Papua New Guinea | Airport |
| Ombalantu(FY32) | Ombalantu | Namibia | Airport | |
| Ombombo(FY33) | Ombombo | Namibia | Airport | |
| Omboue Hopital(OMB FOOH) | Omboue | Ogooué-Maritime Province | Gabon | Airport |
| Ombu(FY34) | Ombu | Namibia | Airport | |
| Omdop(FB60) | Omdop | Botswana | Airport | |
| Omega(FYOE) | Omega | Okavango | Namibia | Airport |
| Omemee Airport(CME2) | Omemee | Ontario | Canada | Airport |
| Omeo(YOMO) | Omeo | Victoria | Australia | Airport |
| Omicron Station(YOMI) | Omicron Station | Queensland | Australia | Airport |
| Omidiyeh(OMI OIAJ) | Omidiyeh | Khuzestan Province | Iran | Airport |
| JASDF(RJSO) | Ominato | Aomori Prefecture | Japan | Airport |
| Hyakuri(IBR RJAH) | Omitama | Ibaraki Prefecture | Japan | Airport |
| [X] Omkalai(OML) | Omkalai | Chimbu | Papua New Guinea | |
| Mui River(MUJ HAMR) | Omo National Park | Southern Nations, Nationalities and Peoples | Ethiopia | Airport |
| Omoe(EK68) | Omoe | Zealand | Denmark | Airport |
| Omolon(UHMN) | Omolon | Chukotka Autonomous Okrug | Russia | Airport |
| Omora Airport(OSE AYOM OOA) | Omora | Morobe Province | Papua New Guinea | Airport |
| Sky Diving(64WI) | Omro | Wisconsin | United States | Airport |
| Omsk Central(OMS UNOO) | Omsk | Omsk Oblast | Russia | Airport |
| Omsk Severny(UNOS) | Omsk Severny | Omsk Oblast | Russia | Airport |
| Omsukchan(UHMF) | Omsukchan | Magadan Oblast | Russia | Airport |
| Omtepe(MNLP) | Omtepe Island | Rivas | Nicaragua | Airport |
| Omuramba(AG2403) | Omuramba | Omaheke | Namibia | Airport |
| Ono-I-Lau(ONU NFOL) | Ona Liau | Eastern | Fiji | Airport |
| Charles E Grutzmacher Municipal(52K) | Onaga | Kansas | United States | Airport |
| Onaisin(AG4552) | Onaisin | Magallanes | Chile | Airport |
| Onaiso (Etosha West)(FY35) | Onaiso (Etosha West) | Namibia | Airport | |
| Nelsons Nitch(WN59) | Onalaska | Washington | United States | Airport |
| Burnt Ridge Airstrip(WN74) | Onalaska | Washington | United States | Airport |
| Mille Lacs(MN94) | Onamia | Minnesota | United States | Heliport |
| Swiderski Field(MN85) | Onamia | Minnesota | United States | Airport |
| North Star Ranch(MY66) | Onamia | Minnesota | United States | Airport |
| Johnson Field(VA91) | Onancock | Virginia | United States | Airport |
| Peace And Plenty Farm(VA92) | Onancock | Virginia | United States | Airport |
| Riverside Shore Memorial Hospital(3VG6) | Onancock | Virginia | United States | Heliport |
| Burgess Health Center(2IA8) | Onawa | Iowa | United States | Heliport |
| Black River Ranch(1MI3) | Onaway | Michigan | United States | Airport |
| Leo E Goetz County(Y96) | Onaway | Michigan | United States | Airport |
| Onchon Underground Fighter Base(AG6581) | Onchon | South Pyongan Province | North Korea | Airport |
| Onchon(AG2180) | Onchon | Pyongannam-do | North Korea | Airport |
| Ondangwa(OND FYOA) | Ondangwa | Oshikoto | Namibia | Airport |
| Glider site Schinveld(AG2522) | Onderbanken | Limburg | Netherlands | Airport |
| Onderompapa(FY36) | Onderompapa | Omaheke | Namibia | Airport |
| Öndörkhaan(UNR ZUMH) | Öndörkhaan | Hentiy Province | Mongolia | Airport |
| Ondundu Lodge(FY37) | Ondundu Lodge | Namibia | Airport | |
| Onduruqea Lodge(AG2485) | Onduruqea Lodge | Erongo | Namibia | Airport |
| Ondwa Airport(VA1H VA1H) | Ondwa | Rajasthan | India | Airport |
| One Arm Point(YOAP) | One Arm Pt | Western Australia | Australia | Airport |
| [X] Onega Andozero Air Base(AG3131) | Onega | Arkhangelsk Oblast | Russia | |
| Onega(ULAO) | Onega | Arkhangelsk Oblast | Russia | Airport |
| State Police Troop D(0NY5) | Oneida | New York | United States | Heliport |
| Flying K(6NK8) | Oneida | New York | United States | Airport |
| Oneida Lake Strip(8NY7) | Oneida | New York | United States | Airport |
| Scott Municipal(KSCX SCX) | Oneida | Tennessee | United States | Airport |
| The O'neill Municipal-John L Baker Field(ONL KONL ONL) | O'Neill | Nebraska | United States | Airport |
| Bar Lazy B(NE89) | O'neill | Nebraska | United States | Airport |
| Oneonta Municipal(ONH N66) | Oneonta | New York | United States | Airport |
| Robbins Field(20A) | Oneonta | Alabama | United States | Airport |
| St Vincent's Blt(4AL2) | Oneonta | Alabama | United States | Heliport |
| Ongava Lodge(FYNG) | Ongava Lodge | Namibia | Airport | |
| Ongjin(AG2204) | Ongjin | Hwanghaenam-do | North Korea | Airport |
| Ongko Asa (Advent)(WRLO) | Ongko Asa | East Kalimantan | Indonesia | Airport |
| Ongongoro(FY38) | Ongongoro | Namibia | Airport | |
| Ongwediva(FYUE) | Ongwediva | Namibia | Airport | |
| Onida Municipal(98D) | Onida | South Dakota | United States | Airport |
| Ralph Myers(SD56) | Onida | South Dakota | United States | Airport |
| Onishi(RJT3) | Onishi | Tochigi Prefecture | Japan | Airport |
| Onjoka(FY39) | Onjoka | Namibia | Airport | |
| Onjossa(AG2404) | Onjossa | Erongo | Namibia | Airport |
| Onkiola(SDRP) | Onkiola | Brazil | Airport | |
| Onley(VG20) | Onley | Virginia | United States | Airport |
| Dee Jay(8PA1) | Ono | Pennsylvania | United States | Airport |
| Gorilla(11J) | Onondaga | Michigan | United States | Heliport |
| Ononge Airport(ONB ONG) | Ononge | Central Province | Papua New Guinea | Airport |
| Onotoa(OOT NGON) | Onotoa | Gilbert Islands | Kiribati | Airport |
| Onslow(ONS YOLW) | Onslow | Western Australia | Australia | Airport |
| Ontario Municipal(ONO KONO ONO) | Ontario | Oregon | United States | Airport |
| Saint Alphonsus Medical Center-Ontario(5OR6) | Ontario | Oregon | United States | Heliport |
| Ontario International(ONT KONT ONT) | Ontario | California | United States | Airport |
| Avita Ontario Helipad(96OH) | Ontario | Ohio | United States | Heliport |
| Ontonagon County - Schuster Field(KOGM OGM) | Ontonagon | Michigan | United States | Airport |
| [X] Ontong Java Atoll Airstrip(OTV AGGQ) | Ontong Java Atoll | Malaita Province | Solomon Islands | |
| Ontur(LEOT) | Ontur | Castilla-La Mancha | Spain | Airport |
| Ingjaldssanður(BIID) | Onundarfjörður | Westfjords | Iceland | Airport |
| [X] Cooranbong(YOOB) | Oobagooma | Western Australia | Australia | |
| Oodnadatta(ODD YOOD) | Oodnadatta | South Australia | Australia | Airport |
| Mount Sarah(YSAR) | Oodnadatta | South Australia | Australia | Airport |
| Avian Country Estates(OK15) | Oolagah | Oklahoma | United States | Airport |
| Ooldea(YODA) | Ooldea | South Australia | Australia | Airport |
| Dog Iron Ranch(OK37) | Oologah | Oklahoma | United States | Airport |
| Oombabeer(YOBM) | Oombabeer | Queensland | Australia | Airport |
| Ooratippra(YORT) | Ooratippra | Northern Territory | Australia | Airport |
| Davies(2WI8) | Oostburg | Wisconsin | United States | Airport |
| Oostdijckbank platform(EBOO) | Oostdijckbank | West Flanders | Belgium | Heliport |
| Oostende(EBNH) | Oostende | West Flanders | Belgium | Heliport |
| Oostwold Airport(EHOW ----) | Oostwold | Groningen | Netherlands | Airport |
| Ootann(YOTN) | Ootann | Queensland | Australia | Airport |
| Ootmoed(FYOT) | Ootmoed | Hardap | Namibia | Airport |
| Vig Ranch Airfield(SD72) | Opal | South Dakota | United States | Airport |
| Opapimiskan Lake Airport(CKM8) | Opapimiskan Lake | Ontario | Canada | Airport |
| Letiště Opava - Kylešovice(ULOPAK) | Opava | Czech Republic | Airport | |
| Sommerset Strip(AL89) | Opelika | Alabama | United States | Airport |
| East Alabama Medical Center(3AL2) | Opelika | Alabama | United States | Heliport |
| St Landry Parish-Ahart Field(OPL KOPL OPL) | Opelousas | Louisiana | United States | Airport |
| La Superba Heliport(HLS) | Open Door | Buenos Aires Province | Argentina | Heliport |
| Operet(FYOU) | Operet | Oshikoto | Namibia | Airport |
| Opheim(S00) | Opheim | Montana | United States | Airport |
| Floyd Ranch(MT09) | Opheim | Montana | United States | Airport |
| Ophir(Z17) | Ophir | Alaska | United States | Airport |
| Opinaca Aerodrome(YOI CPN8) | Opinaca | Quebec | Canada | Airport |
| Opium(YOPC) | Opium | Northern Territory | Australia | Airport |
| Kamien Slaski(EPKN) | Opole | Opole Voivodeship | Poland | Airport |
| Opole-Polska Nowa Wieś(QPM EPOP) | Opole | Opole Voivodeship | Poland | Airport |
| Opotiki(NZOP) | Opotiki | Bay of Plenty Region | New Zealand | Airport |
| Fagerhaug(ENOP) | Oppdal | Sør-Trøndelag | Norway | Airport |
| Oppenheim(EDGP) | Oppenheim | Rhineland-Palatinate | Germany | Airport |
| Halle-Oppin(ZHZ EDAQ) | Oppin | Saxony-Anhalt | Germany | Airport |
| Optand(ESNM) | Optand | Jämtlande län | Sweden | Airport |
| Opuwa(OPW FYOP) | Opuwa | Kunene Region | Namibia | Airport |
| Meyer(LL23) | Oquawka | Illinois | United States | Airport |
| Oradea International(OMR LROD) | Oradea | Bihor | Romania | Airport |
| Uralsk(URA UARR) | Oral (Form. Uralsk) | West Kazakhstan | Kazakhstan | Airport |
| Oram Airport(RAX ORAM) | Oram | Central Province | Papua New Guinea | Airport |
| Orán Airport(ORA SASO ORA) | Orán | Salta Province | Argentina | Airport |
| Tafaraoui(TAF DAOL) | Oran | Oran Province | Algeria | Airport |
| Es Senia(ORN DAOO) | Oran | Oran Province | Algeria | Airport |
| Orang(RGO ZKHM) | Orang | Hamgyongbuk-do | North Korea | Airport |
| Orange(OAG YORG) | Orange | New South Wales | Australia | Airport |
| Orange Hospital Helipad(YXOG YXOG) | Orange | New South Wales | Australia | Heliport |
| Orange County(KORG ORG) | Orange | Texas | United States | Airport |
| Orange County(KOMH OMH) | Orange | Virginia | United States | Airport |
| Hen & Bacon(90VA) | Orange | Virginia | United States | Airport |
| Seven Gables(2VG7) | Orange | Virginia | United States | Airport |
| Loma Ridge Communication Center(57CA) | Orange | California | United States | Heliport |
| Uci Medical Center(1CL4) | Orange | California | United States | Heliport |
| Sce Serrano Substation(CL55) | Orange | California | United States | Heliport |
| Childrens Hospital Of Orange County(4CA5) | Orange | California | United States | Heliport |
| Orange Municipal(KORE ORE) | Orange | Massachusetts | United States | Airport |
| Orange - Careflight Base Heliport(YXCF YXCF) | Orange | New South Wales | Australia | Heliport |
| Caribe East(7AL4) | Orange Beach | Alabama | United States | Heliport |
| Orange City Municipal(KORC ORC) | Orange City | Iowa | United States | Airport |
| Florida Hospital-Fish Memorial(3FL2) | Orange City | Florida | United States | Heliport |
| Augrabies(AG4178) | Orange Falls | Northern Cape | South Africa | Airport |
| Orange Grove NALF(KNOG NOG) | Orange Grove | Texas | United States | Airport |
| Floyd Ranch(TA56) | Orange Grove | Texas | United States | Airport |
| Doctors Lake(62FD) | Orange Park | Florida | United States | Seaplane Base |
| Orange Park Medical Center(20FA) | Orange Park | Florida | United States | Heliport |
| Patch O Blue(FD02) | Orange Springs | Florida | United States | Airport |
| Orange Walk(ORZ) | Orange Walk | Orange Walk District | Belize | Airport |
| Orange-Caritat (BA 115) Air Base(XOG LFMO) | Orange/Caritat | Provence-Alpes-Côte-d'Azur | France | Airport |
| Orangeburg Municipal(OGB KOGB OGB) | Orangeburg | South Carolina | United States | Airport |
| The Reg Med Ctr Of Orbg & Calhoun Co(SC64) | Orangeburg | South Carolina | United States | Heliport |
| Dry Swamp(1DS) | Orangeburg | South Carolina | United States | Airport |
| 4 Holes Field(44SC) | Orangeburg | South Carolina | United States | Airport |
| Chesson(XS33) | Orangefield | Texas | United States | Airport |
| Palisades Conference Center(7NY7) | Orangetown | New York | United States | Heliport |
| Orangeville / Murray Wesley Kot Field(CPV2) | Orangeville | Ontario | Canada | Airport |
| [X] Orangeville(AG0612) | Orangeville | Ontario | Canada | |
| Orangeville / Brundle Field(COB4) | Orangeville | Ontario | Canada | Airport |
| Orangeville / Laurel Airstrip(COL2) | Orangeville | Ontario | Canada | Airport |
| Orangeville/Headwaters Healthcare Centre Heliport(CHW2) | Orangeville | Ontario | Canada | Heliport |
| Orania(AG7070) | Orania | Northern Cape | South Africa | Airport |
| Oranjemund(OMD FYOG) | Oranjemund | Karas | Namibia | Airport |
| Queen Beatrix International(AUA TNCA) | Oranjestad | Aruba | Netherlands | Airport |
| Orapa(ORP FBOR) | Orapa | Central District | Botswana | Airport |
| Oraparinna(YORP) | Oraparinna | South Australia | Australia | Airport |
| Beers Farm(PN73) | Orbisona/Rockhill | Pennsylvania | United States | Airport |
| Orbost(RBS YORB) | Orbost | Victoria | Australia | Airport |
| Orbost(YORS) | Orbost | Victoria | Australia | Heliport |
| Aeródromo Orce(AG6068) | Orce | Andalucía | Spain | Airport |
| White Wing Ranch(TA97) | Orchard | Texas | United States | Airport |
| Mc Phail(7MI1) | Orchard Lake | Michigan | United States | Heliport |
| Adams(21MI) | Orchard Lake | Michigan | United States | Heliport |
| Orchid Beach Airport(YORC YORC) | Orchid Beach | Queensland | Australia | Airport |
| Orchid Creek(YOCR) | Orchid Creek | Queensland | Australia | Airport |
| Lanyu(RCLY) | Orchid Island | Taitung County | Taiwan | Airport |
| Orcopampa(SPOR) | Orcopampa | Arequipa Region | Peru | Airport |
| Evelyn Sharp Field(KODX ODX) | Ord | Nebraska | United States | Airport |
| Ord River(YORV) | Ord River | Western Australia | Australia | Airport |
| Aeródromo de Ordis(AG6022) | Ordis | Girona | Spain | Airport |
| Ordos Ejin Horo(DSN ZBDS) | Ordos | Inner Mongolia Autonomous Region | China | Airport |
| Lake Meredith(CO1) | Ordway | Colorado | United States | Seaplane Base |
| Örebro(ORB ESOE) | Örebro | Örebro län | Sweden | Airport |
| [X] Borshchovo Airstrip(AG3110) | Oredezh | Leningrad Oblast | Russia | |
| St Charles Hospital(OI44) | Oregon | Ohio | United States | Heliport |
| Mc Manus Hoonch-Na-Shee-Kaw(0WI9) | Oregon | Wisconsin | United States | Airport |
| Peterson Field(15WI) | Oregon | Wisconsin | United States | Airport |
| Storytown Airfield(WS33) | Oregon | Wisconsin | United States | Airport |
| Spiegel Field(WI40) | Oregon | Wisconsin | United States | Airport |
| Wilco(31LL) | Oregon | Illinois | United States | Heliport |
| Fairways(OG20) | Oregon City | Oregon | United States | Airport |
| Skyhill(1OR7) | Oregon City | Oregon | United States | Airport |
| Aeroacres(OG30) | Oregon City | Oregon | United States | Airport |
| Providence Willamette Falls Medical Center(1OR9) | Oregon City | Oregon | United States | Heliport |
| Nielsen(2OR0) | Oregon City | Oregon | United States | Airport |
| Parson Landing(7OR9) | Oregon City | Oregon | United States | Airport |
| Oreillys(YXOR) | Oreillys | Queensland | Australia | Heliport |
| Oryol Yuzhny(OEL UUOR) | Orel | Oryol Oblast | Russia | Airport |
| Orellana(SPON) | Orellana | Loreto Region | Peru | Airport |
| Timpanogos Regional Hospital(UT78) | Orem | Utah | United States | Heliport |
| Cirque Lodge Studio(UT85) | Orem | Utah | United States | Heliport |
| Orenburg Air Base(AG3180) | Orenburg | Orenburg Oblast | Russia | Airport |
| Chebenki Air Base(AG2774) | Orenburg | Orenburg Oblast | Russia | Airport |
| Orenburg Central(REN UWOO) | Orenburg | Orenburg Oblast | Russia | Airport |
| Öresten(ESGM) | Öresten | Västra Götalands län | Sweden | Airport |
| Upper Valley(46NH) | Orford | New Hampshire | United States | Heliport |
| Mumm Field(WI11) | Orfordville | Wisconsin | United States | Airport |
| Campo di Volo AliPuglia(BRORI) | Oria (BR) | Apulia | Italy | Airport |
| Orielton(YOIT) | Orielton | Queensland | Australia | Airport |
| Orient Glider(FAOI) | Orient | Gauteng | South Africa | Airport |
| Rose Field(2NK3) | Orient | New York | United States | Airport |
| Millertime(4OH4) | Orient | Ohio | United States | Airport |
| Orient Well(YORW) | Orient Well | Western Australia | Australia | Airport |
| Orientos(OXO) | Orientos | Queensland | Australia | Airport |
| Aviosuperficie Airone(AG5108) | Origgio | Lombardy | Italy | Airport |
| Orillia Airport(CNJ4) | Orillia | Ontario | Canada | Airport |
| Orillia/Matchedash Lake Seaplane Base(CPU5) | Orillia | Ontario | Canada | Seaplane Base |
| Orillia/Lake St John Seaplane Base(CNV6) | Orillia | Ontario | Canada | Seaplane Base |
| Orillia (Ontario Provincial Police) Heliport(COP2) | Orillia | Ontario | Canada | Heliport |
| Orinduik(ORJ SYOR) | Orinduik | Potaro-Siparuni | Guyana | Airport |
| Oripää(EFOP) | Oripää | Western Finland | Finland | Airport |
| Gage Flying Farmer(3ND5) | Oriska | North Dakota | United States | Airport |
| [X] Oriskany(AG0613) | Oriskany | Quebec | Canada | |
| Oristano / Fenosu(QOS LIER) | Oristano | Sardinia | Italy | Airport |
| Orito Airport(SKOR ORI) | Orito | Putumayo | Colombia | Airport |
| Oritupano(SVOK) | Oritupano | Monagas | Venezuela | Airport |
| Oriximiná Airport(ORX SNOX SNOX) | Oriximiná | Pará | Brazil | Airport |
| Trombetas(TMT SBTB) | Oriximiná | Pará | Brazil | Airport |
| Orkney(FAOY) | Orkney | North-West | South Africa | Airport |
| Hoy/Longhope Airfield(AG1570) | Orkney Isle | Scotland | United Kingdom | Airport |
| Haigh Field(O37) | Orland | California | United States | Airport |
| Fazenda São João(SDSJ) | Orlândia | São Paulo | Brazil | Airport |
| Sítio Santa Catarina(SIVH) | Orlândia | São Paulo | Brazil | Heliport |
| Fazenda Mosquito(SDOR) | Orlândia | São Paulo | Brazil | Airport |
| Lake Conway North(91FL) | Orlando | Florida | United States | Seaplane Base |
| Florida Hospital(37FA) | Orlando | Florida | United States | Heliport |
| Rybolt Ranch(01FA) | Orlando | Florida | United States | Airport |
| Orange County Convention Center(FA91) | Orlando | Florida | United States | Heliport |
| Summer Lakes(FD43) | Orlando | Florida | United States | Seaplane Base |
| Air Orlando(2FD7) | Orlando | Florida | United States | Heliport |
| Orlando Regional Medical Center(FD28) | Orlando | Florida | United States | Heliport |
| Florida Hospital East Orlando(FD36) | Orlando | Florida | United States | Heliport |
| Dr P Phillips Hospital(FD99) | Orlando | Florida | United States | Heliport |
| Premium(7FA5) | Orlando | Florida | United States | Heliport |
| Arnold Palmer Hospital(3FD5) | Orlando | Florida | United States | Heliport |
| Lake Hiawassee(89FL) | Orlando | Florida | United States | Seaplane Base |
| Wkmg-Tv(0FL7) | Orlando | Florida | United States | Heliport |
| Timberlachen(12FL) | Orlando | Florida | United States | Seaplane Base |
| Heli-Partners I-Drive(FL76) | Orlando | Florida | United States | Heliport |
| Orlando International(MCO KMCO MCO) | Orlando | Florida | United States | Airport |
| Lockheed Martin(82FD) | Orlando | Florida | United States | Heliport |
| Orlando Sanford International(SFB KSFB SFB) | Orlando | Florida | United States | Airport |
| Lm-Ets(54FD) | Orlando | Florida | United States | Airport |
| Kissimmee Gateway(ISM KISM ISM) | Orlando | Florida | United States | Airport |
| Executive(ORL KORL ORL) | Orlando | Florida | United States | Airport |
| Ritz Carlton Grande Lakes(25FD) | Orlando | Florida | United States | Seaplane Base |
| Lake Willis(92FL) | Orlando | Florida | United States | Heliport |
| Moon Landing(FD21) | Orlando | Florida | United States | Seaplane Base |
| Orlando Va Medical Center(FA75) | Orlando | Florida | United States | Heliport |
| Orlando Seaplane Base(FL5) | Orlando | Florida | United States | Seaplane Base |
| Sand Lake(98FL) | Orlando/Buena Vista | Florida | United States | Seaplane Base |
| Orleans(7I4) | Orleans | Indiana | United States | Airport |
| La Source(AG1280) | Orleans | Centre-Val de Loire | France | Heliport |
| Persan Beaumont(LFPA) | Orleans | Île-de-France | France | Airport |
| Orleans Farm(YORL) | Orleans Farm | Western Australia | Australia | Airport |
| Orléans-Bricy (BA 123) Air Base(ORE LFOJ) | Orléans/Bricy | Centre-Val de Loire | France | Airport |
| Orléans-Saint-Denis-de-l'Hôtel(LFOZ) | Orléans/Saint-Denis-de-l'Hôtel | Centre-Val de Loire | France | Airport |
| Orliak Airfield(AG5665) | Orliak | Dobric Province | Bulgaria | Airport |
| Orly (Olooitikosh)(AG1988) | Orly (Olooitikosh) | Rift Valley Province | Kenya | Airport |
| Ormara(OPOR) | Ormara | Balochistan | Pakistan | Airport |
| Ormoc(OMC RPVO) | Ormoc | Leyte | Philippines | Airport |
| Cross Creek Farms(04FL) | Ormond | Florida | United States | Airport |
| Ormond Beach Municipal(KOMN OMN) | Ormond Beach | Florida | United States | Airport |
| The 2A Ranch(0FD0) | Ormond Beach | Florida | United States | Airport |
| Örnsköldsvik(OER ESNO) | Örnsköldsvik | Västernorrlands län | Sweden | Airport |
| Orocovis Health Center(PR19) | Orocovis | Puerto Rico | United States | Heliport |
| San Pablo Airport(OOR) | Orocue | Casanare | Colombia | Airport |
| Santa Ana Airport(SAA) | Orocue | Casanare | Colombia | Airport |
| Sardinas Airport(ORS) | Orocue | Casanare | Colombia | Airport |
| Altamira Airport(ALT) | Orocue | Casanare | Colombia | Airport |
| Buena Vista Airport(OCU) | Orocue | Casanare | Colombia | Airport |
| El Boral Airport(ORR) | Orocue | Casanare | Colombia | Airport |
| El Caimán Airport(ORE) | Orocue | Casanare | Colombia | Airport |
| El Medano Airport(ORU) | Orocue | Casanare | Colombia | Airport |
| El Rodeo Airport(ORM) | Orocue | Casanare | Colombia | Airport |
| El Viejo Carmen Airport(OCE) | Orocue | Casanare | Colombia | Airport |
| Guanapalo Airport(ORO) | Orocue | Casanare | Colombia | Airport |
| Guarilaque Airport(ORA) | Orocue | Casanare | Colombia | Airport |
| Orocue Airport(ORC SKOE ORC) | Orocue | Casanare | Colombia | Airport |
| La Candelaria Airport(ORX) | Orocue | Casanare | Colombia | Airport |
| La Culebra Airport(ORJ) | Orocue | Casanare | Colombia | Airport |
| La Pista Airport(LAL) | Orocue | Casanare | Colombia | Airport |
| Lasguabin Airport(LAS) | Orocue | Casanare | Colombia | Airport |
| Mararey Airport(MAR) | Orocue | Casanare | Colombia | Airport |
| Orodara(DFOR) | Orodara | Kenedougou | Burkina Faso | Airport |
| Oroe(EK69) | Oroe | Zealand | Denmark | Airport |
| Orofino Municipal(S68) | Orofino | Idaho | United States | Airport |
| Big Island(ID29) | Orofino | Idaho | United States | Airport |
| Clearwater Valley Hospital(ID66) | Orofino | Idaho | United States | Heliport |
| Orogrande(75C) | Orogrande | Idaho | United States | Airport |
| CFB Gagetown(YCX CYCX CYCX) | Oromocto (CFB Gagetown) | New Brunswick | Canada | Heliport |
| Rocky Pond Airstrip(13WA) | Orondo | Washington | United States | Airport |
| Point(11MN) | Orono | Minnesota | United States | Seaplane Base |
| Nietz Airstrip(MN32) | Oronoco | Minnesota | United States | Airport |
| Oropoi(AG1958) | Oropoi | Rift Valley Province | Kenya | Airport |
| Oropoko(FYOR) | Oropoko | Namibia | Airport | |
| San Jose(MHSJ) | Oropoli | El Paraiso | Honduras | Airport |
| Campo di Volo Linnarta(NUORS) | Orosei (NU) | Sardinia | Italy | Airport |
| Santa Marta(MRSM) | Orotina | Alajuela | Costa Rica | Airport |
| Oroville Municipal(OVE KOVE OVE) | Oroville | California | United States | Airport |
| Lake Oroville Landing Area(O06) | Oroville | California | United States | Seaplane Base |
| Oroville Hospital(CN52) | Oroville | California | United States | Heliport |
| Dorothy Scott(0S7) | Oroville | Washington | United States | Airport |
| Orpheus Island(YOPH) | Orpheus Island | Queensland | Australia | Seaplane Base |
| Orr Regional(KORB ORB) | Orr | Minnesota | United States | Airport |
| Parque De Bomberos De Orriols(LEOR) | Orriols | Catalonia | Spain | Heliport |
| Orroroo(YORR) | Orroroo | South Australia | Australia | Airport |
| Markley Farm(OH24) | Orrville | Ohio | United States | Airport |
| Aultman Orrville Hospital(8OH1) | Orrville | Ohio | United States | Heliport |
| Orsa(ESNR) | Orsa | Dalarnas län | Sweden | Airport |
| Balbasovo Air Base(AG0356) | Orsha | Vitsebsk Voblast | Belarus | Airport |
| [X] Severny Air Base(AG3156) | Orsk | Orenburg Oblast | Russia | |
| [X] Sokol Air Base(AG3020) | Orsk | Orenburg Oblast | Russia | |
| Orsk(OSW UWOR) | Orsk | Orenburg Oblast | Russia | Airport |
| Gudron Airfield(AG2899) | Orsk | Orenburg Oblast | Russia | Airport |
| Orson Field(7PA4) | Orson | Pennsylvania | United States | Airport |
| Orton / Smith Field(CPS7) | Orton | Ontario | Canada | Airport |
| Ortonville Municipal-Martinson Field(KVVV VVV) | Ortonville | Minnesota | United States | Airport |
| Ortonville Hospital(50MN) | Ortonville | Minnesota | United States | Heliport |
| Ed Schulte's Place(MI45) | Ortonville | Michigan | United States | Airport |
| Willie Run(3MI7) | Ortonville | Michigan | United States | Airport |
| Orungal(YORU) | Orungal | Queensland | Australia | Airport |
| Orupembe(FY3A) | Orupembe | Namibia | Airport | |
| Juan Mendoza(ORU SLOR) | Oruro | Oruro | Bolivia | Airport |
| Totora(SLTO) | Oruro | Oruro | Bolivia | Airport |
| Curahuara de Carangas(SLUK) | Oruro | Oruro | Bolivia | Airport |
| Orūzgān(AF10) | Oruzgan | Orūzgān Province | Afghanistan | Airport |
| Opa(7PA0) | Orwigsburg | Pennsylvania | United States | Heliport |
| [X] Oryol Severny(AG3023) | Oryol | Oryol Oblast | Russia | |
| Rostki(AG2687) | Orzysz | Warmia-Masuria Voivodeship | Poland | Airport |
| Osage Municipal(D02) | Osage | Iowa | United States | Airport |
| Tan Tar A Resort(19T) | Osage Beach | Missouri | United States | Seaplane Base |
| Lake Regional Health System(MU91) | Osage Beach | Missouri | United States | Heliport |
| Grand Glaize-Osage Beach(OSB K15) | Osage Beach | Missouri | United States | Airport |
| Osage City Municipal(53K) | Osage City | Kansas | United States | Airport |
| J V Ranch(0KS0) | Osage City | Kansas | United States | Airport |
| Kansai International(KIX RJBB) | Osaka | Ōsaka Prefecture | Japan | Airport |
| Osaka International(ITM RJOO) | Osaka | Ōsaka Prefecture | Japan | Airport |
| Yao(RJOY) | Osaka | Ōsaka Prefecture | Japan | Airport |
| Osan Air Base(OSN RKSO) | Osan | Gyeonggido | South Korea | Airport |
| Bradesco Cidade de Deus(SDGZ) | Osasco | São Paulo | Brazil | Heliport |
| Bradesco(SDHB) | Osasco | São Paulo | Brazil | Heliport |
| Málaga(SDHG) | Osasco | São Paulo | Brazil | Heliport |
| SBT(SDLF) | Osasco | São Paulo | Brazil | Heliport |
| Hospital Montreal Heliport(SDOM SDOM) | Osasco | São Paulo | Brazil | Heliport |
| Osbaston Lodge Farm Airstrip(AG6286) | Osbaston | England | United Kingdom | Airport |
| Saunders Field(MU31) | Osborn | Missouri | United States | Airport |
| B-B Airfield(17MU) | Osborn | Missouri | United States | Airport |
| Shatto Farm(MO25) | Osborn | Missouri | United States | Airport |
| Osborne Municipal(K75) | Osborne | Kansas | United States | Airport |
| Osborne Island(YOSI) | Osborne Island | Western Australia | Australia | Seaplane Base |
| Osborne Mine(YOSB) | Osborne Mine | Queensland | Australia | Airport |
| Smc Regional Medical Center(AR67) | Osceola | Arkansas | United States | Heliport |
| Osceola Municipal(7M4) | Osceola | Arkansas | United States | Airport |
| Clarke County Hospital(6IA9) | Osceola | Iowa | United States | Heliport |
| Osceola Municipal(I75) | Osceola | Iowa | United States | Airport |
| L O Simenstad Municipal(OEO KOEO OEO) | Osceola | Wisconsin | United States | Airport |
| Scout Nest(22MO) | Osceola | Missouri | United States | Heliport |
| Kroy-Osceola(69WI) | Osceola | Wisconsin | United States | Heliport |
| Wixted(6MO4) | Osceola | Missouri | United States | Airport |
| St Croix Valley(WN86) | Osceola | Wisconsin | United States | Airport |
| Osceola Municipal(23MU) | Osceola | Missouri | United States | Airport |
| Sankey(1PS4) | Osceola Mills | Pennsylvania | United States | Airport |
| Oschatz(EDOQ) | Oschatz | Saxony | Germany | Airport |
| Oschersleben(EDOL) | Oschersleben | Saxony-Anhalt | Germany | Airport |
| Oscoda-Wurtsmith(OSC KOSC OSC) | Oscoda | Michigan | United States | Airport |
| Ose Airfield(AG2549) | Ose Airfield | Aust-Agder | Norway | Airport |
| Oseberg A Platform(ENOA) | Oseberg A Platform | Norway | Heliport | |
| Oseberg C Platform(ENOC) | Oseberg C Platform | Norway | Heliport | |
| Oseberg East Platform(ENQO) | Oseberg East Platform | Norway | Heliport | |
| Oseberg South Platform(ENQE) | Oseberg South Platform | Norway | Heliport | |
| Oserian Naivasha(AG2074) | Oserian | Rift Valley Province | Kenya | Airport |
| Oserongoni(AG1980) | Oserongoni | Rift Valley Province | Kenya | Airport |
| Osh(OSS UCFO) | Osh | Osh | Kyrgyzstan | Airport |
| Osh West(AG2138) | Osh | Osh | Kyrgyzstan | Airport |
| [X] Osh East(AG2153) | Osh | Osh | Kyrgyzstan | |
| Oshakati(OHI FYOS) | Oshakati | Oshana | Namibia | Airport |
| Oshawa(YOO CYOO CYOO) | Oshawa | Ontario | Canada | Airport |
| Oshima(OIM RJTO) | Oshima Island | Tōkyō Prefecture | Japan | Airport |
| Garden County(OKS KOKS OKS) | Oshkosh | Nebraska | United States | Airport |
| Wittman Regional(OSH KOSH OSH) | Oshkosh | Wisconsin | United States | Airport |
| Williams(1WI1) | Oshkosh | Wisconsin | United States | Airport |
| Mercy Medical Center(WS50) | Oshkosh | Wisconsin | United States | Heliport |
| Vette/Blust(96WI) | Oshkosh | Wisconsin | United States | Seaplane Base |
| Gallinger(51WI) | Oshkosh | Wisconsin | United States | Airport |
| Pioneer(WS17) | Oshkosh | Wisconsin | United States | Airport |
| Oshogbo(DNOS) | Oshogbo | Osun | Nigeria | Airport |
| Oshwe(FZBD) | Oshwe | Bandundu | Democratic Republic of the Congo | Airport |
| Osičiny Airstrip(LKOSIC) | Osičiny | Czech Republic | Airport | |
| Osijek(LDOS) | Osijek | Osijek-Baranja | Croatia | Airport |
| Osire(FYIR) | Osire | Namibia | Airport | |
| Edgren(IA63) | Oskaloosa | Iowa | United States | Airport |
| Mahaska County Hospital(IA34) | Oskaloosa | Iowa | United States | Heliport |
| Oskaloosa Municipal(OOA KOOA OOA) | Oskaloosa | Iowa | United States | Airport |
| Flying T(7KS0) | Oskaloosa | Kansas | United States | Airport |
| Oskarshamn(OSK ESMO) | Oskarshamn | Kalmar län | Sweden | Airport |
| [X] Oslo, Fornebu(FBU ENFB) | Oslo | Austlandet | Norway | |
| Oslo Gardermoen(OSL ENGM) | Oslo | Akershus | Norway | Airport |
| Moss-Rygge(RYG ENRY) | Oslo | Østfold | Norway | Airport |
| [X] Gressholmen(AG2533) | Oslo | Oslo | Norway | |
| [X] Lindøye(AG2534) | Oslo | Oslo | Norway | |
| Oslo, Rikshospitalet(ENRH) | Oslo | Oslo | Norway | Heliport |
| Oslo, Ullevaal(ENUH) | Oslo | Oslo | Norway | Heliport |
| Osmanabad(OMN) | Osmanabad | Maharashtra | India | Airport |
| Osnabrück Hospital(AG1150) | Osnabrück | Lower Saxony | Germany | Heliport |
| Osnabrück-Atterheide(EDWO) | Osnabrück | Lower Saxony | Germany | Airport |
| Osona Airstrip(FYSN) | Osona | Otjozondjupa | Namibia | Airport |
| Aviosuperficie AVRO(AG5498) | Osoppo | Friuli-Venezia Giulia | Italy | Airport |
| Osório(SSOS) | Osório | Rio Grande do Sul | Brazil | Airport |
| Callipulli(SCCP) | Osorno | Los Lagos Region | Chile | Airport |
| Juan Kemp(SCJK) | Osorno | Los Lagos Region | Chile | Airport |
| Cañal Bajo Carlos - Hott Siebert(ZOS SCJO) | Osorno | Los Lagos Region | Chile | Airport |
| Pilauco(SCOP) | Osorno | Los Lagos Region | Chile | Airport |
| Osorno Pampa Ale(SCOS) | Osorno | Los Lagos Region | Chile | Airport |
| Las Quemas(SCQM) | Osorno | Los Lagos Region | Chile | Airport |
| Osoyoos Airport(CBB9) | Osoyoos | British Columbia | Canada | Airport |
| Ospika Airport(CBA9) | Ospika | British Columbia | Canada | Airport |
| Osprey Reef(YOPY) | Osprey Reef | Queensland | Australia | Seaplane Base |
| Mayo Clinic Health System-Oakridge(78WI) | Osseo | Wisconsin | United States | Heliport |
| K-9 Korner(2II7) | Ossian | Indiana | United States | Heliport |
| Skip's Place(2IN0) | Ossian | Indiana | United States | Airport |
| Ossima Airport(OSG OSA) | Ossima | West Sepik Province | Papua New Guinea | Airport |
| Ge Management Development Institute(NK78) | Ossining | New York | United States | Heliport |
| Tli(NK90) | Ossining | New York | United States | Heliport |
| Ossora(UHPD) | Ossora | Kamchatka Krai | Russia | Airport |
| Richard Kohler(3FA5) | Osteen | Florida | United States | Heliport |
| Ostend-Bruges International(OST EBOS) | Ostend | West Flanders | Belgium | Airport |
| Schumacher(3MN9) | Oster | Minnesota | United States | Airport |
| Ickes(1PS0) | Osterburg | Pennsylvania | United States | Airport |
| Osterholz-Scharmbeck Airfield(AG4354) | Osterholz-Scharmbeck | Lower Saxony | Germany | Airport |
| Östersund(ESNZ) | Östersund | Jämtlande län | Sweden | Airport |
| North Bay(MA23) | Osterville | Massachusetts | United States | Heliport |
| Büchig Airfield(AG4310) | Ostheim vor der Rhön | Bavaria | Germany | Airport |
| Ostrava Leos Janáček(OSR LKMT) | Ostrava | Moravian-Silesian Region | Czech Republic | Airport |
| The Area Of Fire And Rescue Force(AG1102) | Ostrava | Moravian-Silesian Region | Czech Republic | Heliport |
| Ostrov Naval Air Base(XLOS) | Ostrov | Pskov Oblast | Russia | Airport |
| Ostrov Bolshevik Air Base(AG3212) | Ostrov Bolshevik | Krasnoyarsk Krai | Russia | Airport |
| Ostrów(EPOM) | Ostrów | Greater Poland Voivodeship | Poland | Airport |
| La Concordia Airport(CCJ) | Ostuacan | Chiapas | Mexico | Airport |
| Fazenda Ipameri(SDFY) | Osvaldo Cruz | São Paulo | Brazil | Airport |
| Oswego Municipal(K67) | Oswego | Kansas | United States | Airport |
| Ota(LPOT) | Ota | Lisbon District | Portugal | Airport |
| Macho Bayo Airstrip(MBY) | Otaez | Durango | Mexico | Airport |
| Pielagos Airport(PLG) | Otaez | Durango | Mexico | Airport |
| Otavi(FYOV) | Otavi | Namibia | Airport | |
| Campo de Vuelo de Oteo(AG6105) | Oteo | Castilla y León | Spain | Airport |
| Othello Community Hospital(24WA) | Othello | Washington | United States | Heliport |
| Ochoa Field(6WA4) | Othello | Washington | United States | Airport |
| Othello Municipal(S70) | Othello | Washington | United States | Airport |
| Otherton Airfield(AG6287) | Otherton | England | United Kingdom | Airport |
| Kohunlinch Airport(KLI) | Othon Pompeyo Blanco | Quintana Roo | Mexico | Airport |
| Pucte Airport(PCU) | Othon Pompeyo Blanco | Quintana Roo | Mexico | Airport |
| Peasley Field(0ME4) | Otis | Maine | United States | Airport |
| Otjihaenena Landing Strip(AG2473) | Otjihaenena | Khomas | Namibia | Airport |
| Otjikaru(FYRO) | Otjikaru | Namibia | Airport | |
| Otjimbingwe(FYGW) | Otjimbingwe | Namibia | Airport | |
| Otjinene(FYTN) | Otjinene | Omaheke | Namibia | Airport |
| Otjiruze(FY3C) | Otjiruze | Namibia | Airport | |
| Otjisazu(FYTZ) | Otjisazu | Namibia | Airport | |
| Otjitambi(FY3D) | Otjitambi | Namibia | Airport | |
| Otjite(FY3E) | Otjite | Namibia | Airport | |
| Otjituuo(AG6719) | Otjituuo | Otjozondjupa Region | Namibia | Airport |
| Oha Kaua/Otjiwa Lodge Landing Site(FYTW) | Otjiwa Game Ranch | Otjozondjupa | Namibia | Airport |
| Otjiwarongo(FYOW) | Otjiwarongo | Omaheke | Namibia | Airport |
| Otjiwarongo Center(AG2490) | Otjiwarongo | Otjozondjupa | Namibia | Airport |
| Otjohorongo(FYTJ) | Otjohorongo | Namibia | Airport | |
| Otjonjise(FYOB) | Otjonjise | Namibia | Airport | |
| Otjosondu (Ebenezer)(FY3G) | Otjosondu (Ebenezer) | Namibia | Airport | |
| Otjosongombe(FY3H) | Otjosongombe | Namibia | Airport | |
| Otjovasandu(FY3I) | Otjovasandu | Namibia | Airport | |
| Otočac(LDRO) | Otočac | Lika-Senj | Croatia | Airport |
| Otradnaya(AG3117) | Otradnaya | Krasnodar Krai | Russia | Airport |
| Aviosuperficie Ocria(TR09) | Otricolo/Orte | Umbria | Italy | Airport |
| Otrokovice Zlin(LKOT) | Otrokovice | Zlin Region | Czech Republic | Airport |
| Osf St Elizabeth Medical Center(LL25) | Ottawa | Illinois | United States | Heliport |
| Skydive Chicago(8N2) | Ottawa | Illinois | United States | Airport |
| Winchester District Memorial Hospital Heliport(CWH4) | Ottawa | Ontario | Canada | Heliport |
| Ottawa / Casselman (Shea Field)(SF7) | Ottawa | Ontario | Canada | Airport |
| Ottawa / Dwyer Hill Heliport(CYDH) | Ottawa | Ontario | Canada | Heliport |
| Navan Bearbrook(AG0449) | Ottawa | Ontario | Canada | Airport |
| Putnam County(KOWX OWX) | Ottawa | Ohio | United States | Airport |
| Agner(51OH) | Ottawa | Ohio | United States | Airport |
| Ottawa (Children's Hospital) Heliport(CPK7) | Ottawa | Ontario | Canada | Heliport |
| Harrod(SN42) | Ottawa | Kansas | United States | Airport |
| Ottawa Municipal(KOWI OWI) | Ottawa | Kansas | United States | Airport |
| Carp(YRP CYRP CYRP) | Ottawa | Ontario | Canada | Airport |
| Ottawa/Gatineau(YND CYND CYND) | Ottawa | Quebec | Canada | Airport |
| Ottawa/Macdonald-Cartier International(YOW CYOW CYOW) | Ottawa | Ontario | Canada | Airport |
| Ottawa (Civic Hospital) Heliport(CPP7) | Ottawa | Ontario | Canada | Heliport |
| Rockcliffe(YRO CYRO CYRO) | Ottawa | Ontario | Canada | Airport |
| Ottawa / Rockcliffe Seaplane Base(CTR7) | Ottawa | Ontario | Canada | Seaplane Base |
| Ottenschlag(LOAA) | Ottenschlag | Lower Austria | Austria | Airport |
| Otter Lake Airport(CJV4) | Otter Lake | Saskatchewan | Canada | Airport |
| Otter Lake Seaplane Base(CKB4) | Otter Lake | Saskatchewan | Canada | Seaplane Base |
| [X] Otter Lakes(AG0614) | Otter Lakes | Alberta | Canada | |
| Durflinger(IN29) | Otterbein | Indiana | United States | Airport |
| Othawa(FAOL) | Otthawa | Limpopo | South Africa | Airport |
| Ottosdal(FAOT) | Ottosdal | North-West | South Africa | Airport |
| Ottumwa Regional(OTM KOTM OTM) | Ottumwa | Iowa | United States | Airport |
| Ottumwa Hospital(3IA6) | Ottumwa | Iowa | United States | Heliport |
| Remedios C Airport(OTU) | Otu | Antioquía | Colombia | Airport |
| Gora Klementyeva Airfield(AG3692) | Otvazhnoye | Crimea | Ukraine | Airport |
| Ouaco(NWWY) | Ouaco | New Caledonia | France | Airport |
| Ouadda(ODA FEFW) | Ouadda | Haute-Kotto | Central African Republic | Airport |
| Ouagadougou(OUA DFFD) | Ouagadougou | Kadiogo | Burkina Faso | Airport |
| Ouahigouya(OUG DFCC) | Ouahigouya | Yatenga | Burkina Faso | Airport |
| Ouallam(DRRU) | Ouallam | Tillabéri Region | Niger | Airport |
| Ouanary(AG1657) | Ouanary | French Guiana | France | Airport |
| Ouanda Djallé(ODJ FEGO) | Ouanda Djallé | Vakaga | Central African Republic | Airport |
| Ouango Fitini(OFI DIOF) | Ouango Fitini | Zanzan | Côte d'Ivoire | Airport |
| Ouani(AJN FMCV) | Ouani | Anjouan Ndzouani | Comoros | Airport |
| Ouargaye(DFEY) | Ouargaye | Koulpulogo | Burkina Faso | Airport |
| Ain el Beida(OGX DAUU) | Ouargla | Ouargla Province | Algeria | Airport |
| Ouarzazate(OZZ GMMZ) | Ouarzazate | Ouarzazate | Morocco | Airport |
| [X] Oud Turnhout(EBOT) | Oud Turnhout | Antwerp (province) | Belgium | Airport |
| Oudomsay(ODY VLOS) | Oudomsay | Oudomxai | Laos | Airport |
| Oudtshoorn Airport(OUH FAOH FAOH) | Oudtshoorn | Western Cape | South Africa | Airport |
| Ouesso(OUE FCOU) | Ouesso | Sangha | Republic of the Congo | Airport |
| Angads(OUD GMFO) | Oujda | Oujda | Morocco | Airport |
| Ahmosuo(EFAH) | Oulu | Northern Finland | Finland | Airport |
| Oulun University Hospital(EFHO) | Oulu | Northern Finland | Finland | Heliport |
| Oulu(OUL EFOU) | Oulu / Oulunsalo | Northern Finland | Finland | Airport |
| Oum Airstrip(AYZU OUM) | Oum | East Sepik | Papua New Guinea | Airport |
| Oum el Bouaghi(DABO) | Oum El Bouaghi | Oum el Bouaghi Province | Algeria | Airport |
| Oum Hadjer(OUM) | Oum Hadjer | Batha | Chad | Airport |
| Willow Point(AL71) | Our Town | Alabama | United States | Airport |
| Eringoarrah(YERI) | Oura | New South Wales | Australia | Airport |
| Ponderosa(94CO) | Ouray | Colorado | United States | Heliport |
| Ourdel(YODL) | Ourdell | Queensland | Australia | Airport |
| Ouricuri Airport(SNOY SNOY) | Ouricuri | Pernambuco | Brazil | Airport |
| Ourilândia do Norte Airport(OIA SDOW SDOW) | Ourilândia do Norte | Pará | Brazil | Airport |
| Usina São Luiz(SDUZ) | Ourinhos | São Paulo | Brazil | Airport |
| Ourinhos Airport(OUS SDOU SDOU) | Ourinhos | São Paulo | Brazil | Airport |
| Ouro Fino(SNOF) | Ouro Fino | Minas Gerais | Brazil | Airport |
| Salviano Inácio Rocha(SDLG) | Ourolândia | Bahia | Brazil | Airport |
| Outer Skerries(OUK EG78) | Out Skerries | Scotland | United Kingdom | Airport |
| Outapi(AG6720) | Outapi | Omusati Region | Namibia | Airport |
| Ponderosa(83MN) | Outing | Minnesota | United States | Seaplane Base |
| Outjo(OJO FYOJ) | Outjo | Kunene | Namibia | Airport |
| Outlook Airport(CKR9) | Outlook | Saskatchewan | Canada | Airport |
| Ouvéa(UVE NWWV) | Ouvéa | New Caledonia | France | Airport |
| Ouyen(OYN YOUY) | Ouyen | Victoria | Australia | Airport |
| Ouzinkie(KOZ 4K5) | Ouzinkie | Alaska | United States | Airport |
| Fray Jorge(SCFJ) | Ovalle | Coquimbo Region | Chile | Airport |
| Santa Rosa De Tabalí(SHOT) | Ovalle | Coquimbo Region | Chile | Heliport |
| Estancia Los Loros(SCOA) | Ovalle | Coquimbo Region | Chile | Airport |
| Tabalí Bajo(SCOB) | Ovalle | Coquimbo Region | Chile | Airport |
| Santa Rosa de Tabalí(SCOT) | Ovalle | Coquimbo Region | Chile | Airport |
| El Tuqui(OVL SCOV) | Ovalle | Coquimbo Region | Chile | Airport |
| Huayanay(SCOY) | Ovalle | Coquimbo Region | Chile | Airport |
| Santa Adriana(SCAD) | Ovalle | Coquimbo Region | Chile | Airport |
| Ovar(LPOV) | Ovar | Aveiro District | Portugal | Airport |
| Ovda International(VDA LLOV) | Ovda | South District | Israel | Airport |
| Overberg(FAOB) | Overberg | Western Cape | South Africa | Airport |
| Lake Murray State Park(1F1) | Overbrook | Oklahoma | United States | Airport |
| Cloud(7KS2) | Overbrook | Kansas | United States | Airport |
| Mogollon Airpark(AZ82) | Overgaard | Arizona | United States | Airport |
| Overhalla Airstrip(AG6740) | Overhalla | Nord-Trøndelag | Norway | Airport |
| Överkalix(ESNE) | Överkalix | Norrbottena län | Sweden | Airport |
| Overland Park Regional Medical Center(SN54) | Overland Park | Kansas | United States | Heliport |
| Menorah Medical Park(SN35) | Overland Park | Kansas | United States | Heliport |
| Perkins Field(U08) | Overton | Nevada | United States | Airport |
| Echo Bay(0L9) | Overton | Nevada | United States | Airport |
| Ovid(D82) | Ovid | New York | United States | Airport |
| La Morgal(LEMR) | Oviedo | Asturias | Spain | Airport |
| Lake Jessup(98FD) | Oviedo | Florida | United States | Seaplane Base |
| Oviedo Medical Center(FA96) | Oviedo | Florida | United States | Heliport |
| Flying B Ranch(TS71) | Ovilla | Texas | United States | Airport |
| Ovruch Air Base(AG3769) | Ovruch | Zhytomyr | Ukraine | Airport |
| Owando(FTX FCOO) | Owando | Cuvette | Republic of the Congo | Airport |
| Gundys(O38) | Owasso | Oklahoma | United States | Airport |
| Owatonna Degner Regional(OWA KOWA OWA) | Owatonna | Minnesota | United States | Airport |
| Allina Hospital & Clinic Owatonna(MN38) | Owatonna | Minnesota | United States | Heliport |
| Susquehanna(9NY3) | Owego | New York | United States | Heliport |
| Owego(NK49) | Owego | New York | United States | Heliport |
| Owen Sound (Grey Bruce Health Services) Heliport(CNK6) | Owen Sound | Ontario | Canada | Heliport |
| Varys field(AG4286) | Owen Sound | Ontario | Canada | Airport |
| Owen Sound (Cook Field)(CCK5) | Owen Sound | Ontario | Canada | Airport |
| Owen Sound Billy Bishop Regional(YOS CYOS CYOS) | Owen Sound | Ontario | Canada | Airport |
| Owena Airstrip(OWN) | Owenia | Eastern Highlands Province | Papua New Guinea | Airport |
| Flint River Ranch(3AL8) | Owens Crossroads | Alabama | United States | Airport |
| Owensboro-Daviess County Regional(OWB KOWB OWB) | Owensboro | Kentucky | United States | Airport |
| Miles(13KY) | Owensboro | Kentucky | United States | Airport |
| Clearwater Airpark(21OI) | Owensville | Ohio | United States | Airport |
| Owensville Ambulance District(9MO8) | Owensville | Missouri | United States | Heliport |
| Red Oak(MO48) | Owensville | Missouri | United States | Airport |
| Schroder(61KY) | Owenton | Kentucky | United States | Airport |
| New Horizons Health Systems Inc(78KY) | Owenton | Kentucky | United States | Heliport |
| Owen Air Park(0KY0) | Owenton | Kentucky | United States | Airport |
| Sam Mbakwe International(QOW DNIM) | Owerri | Imo | Nigeria | Airport |
| [X] Owi Airfield(AG4890) | Owi Island | Papua | Indonesia | |
| Worthington Valley(4MD9) | Owings Mills | Maryland | United States | Airport |
| Owosso Community(KRNP RNP) | Owosso | Michigan | United States | Airport |
| Hemi Acres(7MI4) | Owosso | Michigan | United States | Heliport |
| Owyhee Reservoir State(28U) | Owyhee | Oregon | United States | Airport |
| Owyhee(10U) | Owyhee | Nevada | United States | Airport |
| Puerto Bermudez(SPEZ) | Oxapampa | Pasco Region | Peru | Airport |
| Oxbow Airport(CJW2) | Oxbow | Saskatchewan | Canada | Airport |
| Oxbow(OR83) | Oxbow Village | Oregon | United States | Heliport |
| Oxenhope Airfield(EG3M) | Oxenhope | England | United Kingdom | Airport |
| Waterbury-Oxford(OXC KOXC OXC) | Oxford | Connecticut | United States | Airport |
| Oxford(AG5391) | Oxford | Kgalagadi District | Botswana | Airport |
| Poole Farm(2GA1) | Oxford | Georgia | United States | Airport |
| Oxford (Kidlington)(OXF EGTK) | Oxford | England | United Kingdom | Airport |
| Handleman Sky Ranch(37MI) | Oxford | Michigan | United States | Airport |
| Baptist Memorial Hospital-North Ms(0MS3) | Oxford | Mississippi | United States | Heliport |
| Hospital Wing Of Oxford(24MS) | Oxford | Mississippi | United States | Heliport |
| University-Oxford(UOX KUOX UOX) | Oxford | Mississippi | United States | Airport |
| RAF Brize Norton(BZZ EGVN) | Oxford | England | United Kingdom | Airport |
| Oxford(FB61) | Oxford | Botswana | Airport | |
| Clyde Airfield(NE21) | Oxford | Nebraska | United States | Airport |
| Green Castle(IA24) | Oxford | Iowa | United States | Airport |
| Oxford County Regional(81B) | Oxford | Maine | United States | Airport |
| Miami University(OXD KOXD OXD) | Oxford | Ohio | United States | Airport |
| Mc Cullough Hyde Hospital(61OI) | Oxford | Ohio | United States | Heliport |
| Hueston Woods Lodge(9OA2) | Oxford | Ohio | United States | Heliport |
| Oxford Police Heliport(7AL3) | Oxford | Alabama | United States | Heliport |
| Oxford Municipal(55K) | Oxford | Kansas | United States | Airport |
| S & S Avion Ranch(31FA) | Oxford | Florida | United States | Airport |
| Henderson-Oxford(KHNZ HNZ) | Oxford | North Carolina | United States | Airport |
| Polish Paradise(WS02) | Oxford | Wisconsin | United States | Airport |
| Bulldog Ranch(2WI9) | Oxford | Wisconsin | United States | Airport |
| Oxford House(YOH CYOH CYOH) | Oxford House | Manitoba | Canada | Airport |
| [X] RAF Akeman Street(AG1583) | Oxfordshire | England | United Kingdom | |
| [X] RAF Broadwell(AG1632) | Oxfordshire | England | United Kingdom | |
| Oxley Station(YOLY) | Oxley | New South Wales | Australia | Airport |
| Oxley Police Academy(YOXL) | Oxley Police Academy | Queensland | Australia | Heliport |
| Oxnard(OXR KOXR OXR) | Oxnard | California | United States | Airport |
| St John's Regional Medical Center(2CL6) | Oxnard | California | United States | Heliport |
| National Harbor(77MD) | Oxon Hill | Maryland | United States | Heliport |
| Oxy A 103(HL55) | Oxy A 103 | Al Wahat District | Libya | Airport |
| Oyem(OYE FOGO) | Oyem | Woleu-Ntem Province | Gabon | Airport |
| Oyen Municipal Airport(CED3) | Oyen | Alberta | Canada | Airport |
| Oymyakon(UEMJ) | Oymyakon | Russia | Airport | |
| Denis Sassou Nguesso International(OLL FCOD) | Oyo | Cuvette Department | Republic of the Congo | Airport |
| Oyster Reef(YOYS) | Oyster Reef | Queensland | Australia | Seaplane Base |
| Oyu Tolgoi(ZMOT) | Oyu Tolgoi | Ömnögovi Province | Mongolia | Airport |
| Prominent Hill(PXH YPMH) | OZ Minerals Prominent Hill Mine | South Australia | Australia | Airport |
| Labo(OZC RPMO) | Ozamis City | Misamis Occidental | Philippines | Airport |
| Ozark-Franklin County(7M5) | Ozark | Arkansas | United States | Airport |
| Etna(2AR1) | Ozark | Arkansas | United States | Airport |
| Byrd's Backcountry Airstrip(51AR) | Ozark | Arkansas | United States | Airport |
| Blackwell Field(71J) | Ozark | Alabama | United States | Airport |
| Dale Medical Center(AL87) | Ozark | Alabama | United States | Heliport |
| Hidden Springs Airpark(36AL) | Ozark | Alabama | United States | Airport |
| Riverside Landings(6MO7) | Ozark | Missouri | United States | Airport |
| Gimlin(18MO) | Ozark | Missouri | United States | Airport |
| Linden Air(MO66) | Ozark | Missouri | United States | Airport |
| Skyview(MU70) | Ozark | Missouri | United States | Airport |
| Kozhin Airfield(AG2915) | Ozinki | Saratov Oblast | Russia | Airport |
| Ozona Municipal(OZA KOZA OZA) | Ozona | Texas | United States | Airport |
| Perry Ranch(4TA8) | Ozona | Texas | United States | Airport |
| Oso Canyon(XA49) | Ozona | Texas | United States | Airport |
| Ozuki(RJOZ) | Ozuki | Yamaguchi Prefecture | Japan | Airport |
| Ozurgeti Air Base(AG1649) | Ozurgeti | Guria | Georgia | Airport |
| [X] Ozyorny(AG3114) | Ozyorny | Tver Oblast | Russia | |
| Guglielmo Zamboni(LIKO AG4764) | Ozzano | Lombardy | Italy | Airport |
| Oława-Stanowice Field (closed)(AG2682) | Oława | Lower Silesia Voivodeship | Poland | Airport |
* The previous list may be incomplete at any given time.
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