Free Newsletter
Privacy and trust is the cornerstone of everything we believe in!
We will never share your information with anyone. Period!
Browse Airports by City: O
| 789 Items Found | Red text in the Airport Type indicates a Private landing facility |
Click on column heading to sort by that column
| ICAO | FAA | IATA | Name | City | State | Country | Type |
|---|---|---|---|---|---|---|---|
| SILK | O Estado De Sao Paulo | O Estado De Sao Paulo | Brazil | Heliport | |||
| FL18 | Suwannee Farms | O'brien | Florida | United States | Airport | ||
| 4FD2 | Flying 'F' Farms | O'brien | Florida | United States | Airport | ||
| 00XS | L P Askew Farms | O'donnell | Texas | United States | Airport | ||
| SCOH | Rio Mayer | O'higgins | Chile | Airport | |||
| 6CL6 | Mark Franz Private Strip | O'neals | California | United States | Airport | ||
| KONL | ONL | ONL | The O'neill Municipal-John L Baker Field | O'neill | Nebraska | United States | Airport |
| MA44 | Trade Wind | Oak Bluffs | Massachusetts | United States | Airport | ||
| 77IS | Mc Donald's Plaza | Oak Brook | Illinois | United States | Heliport | ||
| 70IS | Waste Management Inc | Oak Brook | Illinois | United States | Heliport | ||
| IL17 | Center Point | Oak Brook | Illinois | United States | Heliport | ||
| 5CO8 | Pleasant Valley | Oak Creek | Colorado | United States | Airport | ||
| CD80 | Phippsburg | Oak Creek | Colorado | United States | Heliport | ||
| 9M6 | Kelly | Oak Grove | Louisiana | United States | Airport | ||
| 2LA7 | Costello | Oak Grove | Louisiana | United States | Airport | ||
| 15LA | Creole | Oak Grove | Louisiana | United States | Heliport | ||
| MU85 | Thomas | Oak Grove | Missouri | United States | Airport | ||
| MO87 | Powis | Oak Grove | Missouri | United States | Airport | ||
| 11VG | Devil's Reach Landing | Oak Grove | Virginia | United States | Airport | ||
| 3WA5 | Barnes Lonesome Polecat Ranch | Oak Harbor | Washington | United States | Heliport | ||
| KOKH | OKH | ODW | Aj Eisenberg | Oak Harbor | Washington | United States | Airport |
| KNUW | NUW | NUW | Whidbey Island NAS /Ault Field/ | Oak Harbor | Washington | United States | Airport |
| 2FD6 | Highlander | Oak Hill | Florida | United States | Airport | ||
| OH72 | Oak Hill Hospital | Oak Hill | Ohio | United States | Heliport | ||
| 6TS7 | Johnny Voudouris | Oak Hill | Texas | United States | Heliport | ||
| KSUT | SUT | Cape Fear Regional Jetport/Howie Franklin Field | Oak Island | North Carolina | United States | Airport | |
| 1TS0 | Eagle Air | Oak Island | Texas | United States | Airport | ||
| 13GE | Holt Airpark | Oak Park | Georgia | United States | Airport | ||
| 01LA | Barham | Oak Ridge | Louisiana | United States | Airport | ||
| N83 | Ds Butler Farm And Airfield | Oak Ridge | North Carolina | United States | Airport | ||
| YOKV | Oak Valley | Oak Valley | South Australia | Australia | Airport | ||
| O27 | Oakdale | Oakdale | California | United States | Airport | ||
| 7LL9 | Brammeier | Oakdale | Illinois | United States | Airport | ||
| 6LA4 | Dyer | Oakdale | Louisiana | United States | Airport | ||
| KACP | ACP | Allen Parish | Oakdale | Louisiana | United States | Airport | |
| 16PN | Oakdale AHP | Oakdale | Pennsylvania | United States | Heliport | ||
| YOKH | Oakden Hills | Oakden Hills | South Australia | Australia | Airport | ||
| 2D5 | Oakes Municipal | Oakes | North Dakota | United States | Airport | ||
| 75DC | Oakesdale | Oakesdale | Washington | United States | Airport | ||
| YBOK | OKY | Oakey | Oakey | Queensland | Australia | Airport | |
| EGXJ | OKH | Raf Cottesmore | Oakham | England | United Kingdom | Airport | |
| YOAM | Oakhampton | Oakhampton | New South Wales | Australia | Airport | ||
| 34FD | Blue Ridge Flightpark | Oakhill | Florida | United States | Airport | ||
| 8AR1 | Totty Field | Oakland | Arkansas | United States | Airport | ||
| KOAK | OAK | OAK | Metropolitan Oakland International | Oakland | California | United States | Airport |
| CL41 | Oakland Convention Center | Oakland | California | United States | Heliport | ||
| 1CL3 | Alameda County Parking Garage | Oakland | California | United States | Heliport | ||
| 55CA | Naval Hospital | Oakland | California | United States | Heliport | ||
| 7CL1 | Children's Hospital Oakland | Oakland | California | United States | Heliport | ||
| IA01 | Ridge | Oakland | Iowa | United States | Airport | ||
| 2MD8 | Greater Gortner | Oakland | Maryland | United States | Airport | ||
| 3MD2 | Garrett County Memorial Hospital | Oakland | Maryland | United States | Heliport | ||
| 4MD2 | Ward's | Oakland | Maryland | United States | Airport | ||
| 42MD | Herrington Field | Oakland | Maryland | United States | Airport | ||
| 2G4 | Garrett County | Oakland | Maryland | United States | Airport | ||
| 60OR | Whitaker | Oakland | Oregon | United States | Airport | ||
| 2OR4 | Heavens Gate Ranch | Oakland | Oregon | United States | Airport | ||
| 7TN4 | Pegasus Field | Oakland | Tennessee | United States | Airport | ||
| 1U6 | Oakley Municipal | Oakley | Idaho | United States | Airport | ||
| KOEL | OEL | Oakley Municipal | Oakley | Kansas | United States | Airport | |
| 7MI6 | Wightman | Oakley | Michigan | United States | Airport | ||
| 5S0 | Oakridge State | Oakridge | Oregon | United States | Airport | ||
| 13OR | Aubrey Mountain Airstrip | Oakridge | Oregon | United States | Airport | ||
| EGTW | Oaksey Park | Oaksey Park | United Kingdom | Airport | |||
| KOTN | 2IG4 | Ed-Air | Oaktown | Indiana | United States | Airport | |
| YOKE | Oakvale | Oakvale | Queensland | Australia | Airport | ||
| WN48 | Kimbrel Farm | Oakville | Washington | United States | Airport | ||
| 89TS | Carter Ranch | Oakwood | Texas | United States | Airport | ||
| YOAY | Oaky Creek | Oaky Creek | Queensland | Australia | Airport | ||
| NZOU | OAM | Oamaru | Oamaru | South Island | New Zealand | Airport | |
| FYRH | Oanob Resort | Oanob Resort | Namibia | Airport | |||
| SIOG | Oasis Graal | Oasis Graal | Brazil | Heliport | |||
| MMOX | OAX | Xoxocotlan International | Oaxaca | Oaxaca | Mexico | Airport | |
| EGEO | OBN | Oban | Oban | Scotland | United Kingdom | Airport | |
| WABR | Obano (Dgac) | Obano, Papua | Western New Guinea | Indonesia | Airport | ||
| SATO | Obera | Obera | Argentina | Airport | |||
| KOIN | OIN | Oberlin Municipal | Oberlin | Kansas | United States | Airport | |
| 7KS8 | Shaw Aerial Spraying | Oberlin | Kansas | United States | Airport | ||
| 48OH | Dechant Farms | Oberlin | Ohio | United States | Airport | ||
| 3OA3 | Pelton | Oberlin | Ohio | United States | Heliport | ||
| EDCO | Obermehler Schlotheim | Obermehler | Germany | Airport | |||
| YOBE | Oberon | Oberon | New South Wales | Australia | Heliport | ||
| EDMO | OBF | Oberpfaffenhofen | Oberpfaffenhofen | Germany | Airport | ||
| SNTI | Obidos | Obidos | Brazil | Airport | |||
| SBTS | OBI | Tirios | Obidos | Para | Brazil | Airport | |
| RJCB | OBO | Obihiro | Obihiro | Japan | Airport | ||
| WA0N | Obiyo | Obiyo, Papua | Western New Guinea | Indonesia | Airport | ||
| 17FL | Jumbolair-Greystone | Ocala | Florida | United States | Airport | ||
| FL49 | Bernie Little | Ocala | Florida | United States | Heliport | ||
| FL79 | Lockheed Martin-Ocala | Ocala | Florida | United States | Heliport | ||
| KOCF | OCF | OCF | Ocala International-Jim Taylor Field | Ocala | Florida | United States | Airport |
| FL61 | Mc Ginley | Ocala | Florida | United States | Airport | ||
| FD29 | Flying Dutchman Ranch | Ocala | Florida | United States | Airport | ||
| FL63 | Idle Wild | Ocala | Florida | United States | Airport | ||
| FA49 | Shady International | Ocala | Florida | United States | Airport | ||
| FL19 | Crosswind Farm | Ocala | Florida | United States | Airport | ||
| 3FL3 | Sheriff's Operation Center | Ocala | Florida | United States | Heliport | ||
| 1FL6 | Sheriff's North Multi District Office | Ocala | Florida | United States | Heliport | ||
| FL68 | Sheriff's South Multi District Office | Ocala | Florida | United States | Heliport | ||
| FD04 | Leeward Air Ranch | Ocala/Belleview | Florida | United States | Airport | ||
| SKOC | OCV | Aguas Claras | Ocana | Colombia | Airport | ||
| LEOC | Ocana | Ocana | Spain | Airport | |||
| KOXB | OXB | OCE | Ocean City Municipal | Ocean City | Maryland | United States | Airport |
| 26N | Ocean City Municipal | Ocean City | New Jersey | United States | Airport | ||
| CZOF | Ocean Falls Spb | Ocean Falls SPB | Canada | Seaplane Base | |||
| YOCG | Ocean Grove | Ocean Grove | Victoria | Australia | Heliport | ||
| 60J | Odell Williamson Municipal | Ocean Isle Beach | North Carolina | United States | Airport | ||
| WN88 | Martin | Ocean Park | Washington | United States | Airport | ||
| W04 | Ocean Shores Municipal | Ocean Shores | Washington | United States | Airport | ||
| 5WA8 | Hogan's Corner | Ocean Shores | Washington | United States | Airport | ||
| 5R2 | Ocean Springs | Ocean Springs | Mississippi | United States | Airport | ||
| L52 | Oceano County | Oceano | California | United States | Airport | ||
| KNFG | NFG | Camp Pendleton MCAS (Munn Field) | Oceanside | California | United States | Airport | |
| NXF | MCOLF Camp Pendleton (Red Beach) | Oceanside | California | United States | Airport | ||
| KOKB | OKB | OCN | Oceanside Municipal | Oceanside | California | United States | Airport |
| 36CL | Tri-City Hospital | Oceanside | California | United States | Heliport | ||
| FL21 | Berlin | Oceanway | Florida | United States | Heliport | ||
| MKBS | OCJ | Boscobel | Ocho Rios | Jamaica | Airport | ||
| FA80 | Lost Horn Ranch | Ochopee | Florida | United States | Airport | ||
| 16FA | Little Deer | Ochopee | Florida | United States | Airport | ||
| FA74 | Romor Ranch | Ochopee | Florida | United States | Airport | ||
| GE14 | Elite Helicopters | Ocilla | Georgia | United States | Heliport | ||
| 76FL | Health Central | Ocoee | Florida | United States | Heliport | ||
| 0WI8 | Oconomowoc | Oconomowoc | Wisconsin | United States | Airport | ||
| WN46 | Battle Creek | Oconomowoc | Wisconsin | United States | Airport | ||
| KOCQ | OCQ | J. Douglas Bake Memorial. | Oconto | Wisconsin | United States | Airport | |
| 30W | Sweetwater Bay | Oconto | Wisconsin | United States | Seaplane Base | ||
| WI20 | Larson Studio | Oconto Falls | Wisconsin | United States | Airport | ||
| 22WI | Community Memorial Hospital | Oconto Falls | Wisconsin | United States | Heliport | ||
| 0CA6 | Emory Ranch | Ocotillo | California | United States | Airport | ||
| L90 | Ocotillo | Ocotillo Wells | California | United States | Airport | ||
| W95 | Ocracoke Island | Ocracoke | North Carolina | United States | Airport | ||
| 84OH | Hanshell Flying Apple | Octa | Ohio | United States | Airport | ||
| HEOC | October | October | Egypt | Airport | |||
| RJSR | ONJ | Odate Noshiro | Odate Noshiro | Japan | Airport | ||
| EKOD | ODE | Odense | Odense | Denmark | Airport | ||
| 3AL6 | Town & Country Airpark | Odenville | Alabama | United States | Airport | ||
| UKOO | ODS | Odesa International | Odesa | Odesa | Ukraine | Airport | |
| 8FD8 | Bayflite One | Odessa | Florida | United States | Heliport | ||
| 54FD | Bayflite One Satellite Base | Odessa | Florida | United States | Heliport | ||
| MU20 | Robbins | Odessa | Missouri | United States | Airport | ||
| KODO | ODO | Odessa-Schlemeyer Field | Odessa | Texas | United States | Airport | |
| 71TA | Bates Field | Odessa | Texas | United States | Airport | ||
| 32XA | Medical Center Hospital | Odessa | Texas | United States | Heliport | ||
| 43D | Odessa Municipal | Odessa | Washington | United States | Airport | ||
| 9WA2 | Odessa Memorial Hospital Ems | Odessa | Washington | United States | Heliport | ||
| CSL7 | SL7 | Odessa/Strawberry Lakes | Odessa | Saskatchewan | Canada | Airport | |
| EGVO | ODH | Raf Odiham | Odiham | England | United Kingdom | Airport | |
| SNOE | Oeiras | Oeiras | Brazil | Airport | |||
| 1SD6 | Bogner No Ii | Oelrich's | South Dakota | United States | Airport | ||
| SD71 | Bogner Field | Oelrichs | South Dakota | United States | Airport | ||
| KOLZ | OLZ | Oelwein Municipal | Oelwein | Iowa | United States | Airport | |
| IA57 | Mercy Hospital | Oelwein | Iowa | United States | Heliport | ||
| YOPT | Oenpelli | Oenpelli | Northern Territory | Australia | Airport | ||
| YOEN | OPI | Oenpelli | Oenpelli | Northern Territory | Australia | Airport | |
| EDLO | Oerlinghausen | Oerlinghausen | Germany | Airport | |||
| ENOV | HOV | Orsta-Volda Hovden | Oersta/Volda | Norway | Airport | ||
| SJDK | Oeste Plaza Shopping-Mc | Oeste Plaza Shopping-Mc | Brazil | Heliport | |||
| EDTO | ZPA | Offenburg Baden | Offenburg | Germany | Airport | ||
| SDQT | Office Tower Itaim | Office Tower Itaim | Brazil | Heliport | |||
| NSAS | Z08 | OFU | Ofu | Ofu Village | American Samoa | United States | Airport |
| NE14 | Ogallala Community Hospital | Ogallala | Nebraska | United States | Heliport | ||
| KOGA | OGA | OGA | Searle Field | Ogallala | Nebraska | United States | Airport |
| 35NE | Shelburnes | Ogallala | Nebraska | United States | Airport | ||
| KHIF | HIF | HIF | Hill AFB | Ogden | Utah | United States | Airport |
| UT16 | Mc Kay-Dee Hospital Center | Ogden | Utah | United States | Heliport | ||
| KOGD | OGD | OGD | Ogden-Hinckley | Ogden | Utah | United States | Airport |
| KOGS | OGS | OGS | Ogdensburg International | Ogdensburg | New York | United States | Airport |
| CFS4 | FS4 | Oglivie River | Ogilvie River | Yukon Territory | Canada | Airport | |
| NZOH | Ohakea | Ohakea | New Zealand | Airport | |||
| 0NY3 | Kermizian | Ohio | New York | United States | Airport | ||
| PS10 | Ohioport | Ohiopyle | Pennsylvania | United States | Heliport | ||
| RJA2 | Ohotone | Ohotone | Japan | Airport | |||
| LWOH | OHD | Ohrid | Ohrid | Macedonia | Airport | ||
| SBOI | OYK | Oiapoque | Oiapoque | Amapa | Brazil | Airport | |
| 5F8 | Thackers | Oil City | Louisiana | United States | Airport | ||
| AR56 | Amos | Oil Trough | Arkansas | United States | Airport | ||
| 40OK | Hilltop | Oilton | Oklahoma | United States | Airport | ||
| 13TS | Van Es Ranch | Oilton | Texas | United States | Airport | ||
| RJFO | OIT | Oita | Oita | Japan | Airport | ||
| 6CL5 | Majlar | Ojai | California | United States | Heliport | ||
| WI37 | Rainbow | Ojibwa | Wisconsin | United States | Airport | ||
| RJDO | Ojika | Ojika | Japan | Airport | |||
| WAKO | OKQ | Okaba (Dgac) | Okaba, Papua | Western New Guinea | Indonesia | Airport | |
| FYON | Okahandja | Okahandja | Namibia | Airport | |||
| FYOH | Okahao | Okahao | Namibia | Airport | |||
| FYOK | Okakarara | Okakarara | Namibia | Airport | |||
| FYMP | Okamapu | Okamapu | Namibia | Airport | |||
| FYKW | Okangwati | Okangwati | Namibia | Airport | |||
| S35 | Okanogan Legion | Okanogan | Washington | United States | Airport | ||
| FYPR | Okaperuperu | Okaperuperu | Namibia | Airport | |||
| FYPA | Okapuka | Okapuka | Namibia | Airport | |||
| FYKP | Okaputa | Okaputa | Namibia | Airport | |||
| OPOK | Okara | Okara | Pakistan | Airport | |||
| 3OK1 | Okarche | Okarche | Oklahoma | United States | Airport | ||
| 2OK0 | Smith | Okarche | Oklahoma | United States | Airport | ||
| FYOF | Okatjuru | Okatjuru | Namibia | Airport | |||
| RJOB | OKJ | Okayama | Okayama | Japan | Airport | ||
| HL77 | Okba Ibn Nafa | Okba Ibn Nafa | Libya | Airport | |||
| WA0O | Okbape | Okbape, Papua | Western New Guinea | Indonesia | Airport | ||
| OI84 | King Knoll | Okeana | Ohio | United States | Airport | ||
| KOBE | OBE | OBE | Okeechobee County | Okeechobee | Florida | United States | Airport |
| 26FL | Hca Raulerson Hospital | Okeechobee | Florida | United States | Heliport | ||
| 00FL | River Oak | Okeechobee | Florida | United States | Airport | ||
| 8FD5 | Lykes Brighton | Okeechobee | Florida | United States | Airport | ||
| FD70 | River Acres | Okeechobee | Florida | United States | Airport | ||
| 08FD | Sunniland Ranch | Okeechobee | Florida | United States | Airport | ||
| 96FD | Citrus Hedging Ranch | Okeechobee | Florida | United States | Airport | ||
| FD39 | Baggett Airpark | Okeechobee | Florida | United States | Airport | ||
| 83FD | Lake Montaza | Okeechobee | Florida | United States | Airport | ||
| 15FA | Amistad Ranch | Okeechobee | Florida | United States | Heliport | ||
| 90FL | Paxton | Okeechobee | Florida | United States | Airport | ||
| 32FA | Sunset Strip Airpark | Okeechobee | Florida | United States | Airport | ||
| 33FA | Recreation Corporation | Okeechobee | Florida | United States | Airport | ||
| O65 | Christman Airfield | Okeene | Oklahoma | United States | Airport | ||
| 8OK0 | Lamle | Okeene | Oklahoma | United States | Airport | ||
| F81 | Okemah Flying Field | Okemah | Oklahoma | United States | Airport | ||
| WA0P | Okhika | Okhika, Papua | Western New Guinea | Indonesia | Airport | ||
| RJNO | OKI | Oki | Oki Island | Japan | Airport | ||
| RJKB | OKE | Okierabu | Okierabu Jima | Japan | Airport | ||
| ROTM | Futenma Mcas | Okinawa | Japan | Airport | |||
| RODN | DNA | Kadena Ab | Okinawa | Ryukyu Island | Japan | Airport | |
| NZOX | Okiwi Station | Okiwi Station | New Zealand | Airport | |||
| 12OK | Expressway Airpark | Oklahoma City | Oklahoma | United States | Airport | ||
| 99OK | Warren Cat | Oklahoma City | Oklahoma | United States | Heliport | ||
| 97OK | Presbyterian Hospital | Oklahoma City | Oklahoma | United States | Heliport | ||
| OK57 | Boeing Mrotc | Oklahoma City | Oklahoma | United States | Heliport | ||
| OL16 | Mercy Health Center | Oklahoma City | Oklahoma | United States | Heliport | ||
| 42OK | Kwtv | Oklahoma City | Oklahoma | United States | Heliport | ||
| 41OK | 5 Alive | Oklahoma City | Oklahoma | United States | Heliport | ||
| 50OK | Integris Southwest Medical Center | Oklahoma City | Oklahoma | United States | Heliport | ||
| 77OK | Oklahoma National Guard | Oklahoma City | Oklahoma | United States | Heliport | ||
| KHSD | HSD | Sundance Airpark | Oklahoma City | Oklahoma | United States | Airport | |
| 8OK9 | Nu-Tech Energy Co | Oklahoma City | Oklahoma | United States | Heliport | ||
| 9OK1 | Omh | Oklahoma City | Oklahoma | United States | Heliport | ||
| 9OK0 | Governor's Mansion | Oklahoma City | Oklahoma | United States | Heliport | ||
| KTIK | TIK | TIK | Tinker AFB | Oklahoma City | Oklahoma | United States | Airport |
| OK19 | Integris Baptist Medical Center | Oklahoma City | Oklahoma | United States | Heliport | ||
| 5OK7 | Jernigan Drilling | Oklahoma City | Oklahoma | United States | Heliport | ||
| KOKC | OKC | OKC | Will Rogers World | Oklahoma City | Oklahoma | United States | Airport |
| 3OK4 | St Anthony | Oklahoma City | Oklahoma | United States | Heliport | ||
| KPWA | PWA | PWA | Wiley Post | Oklahoma City | Oklahoma | United States | Airport |
| KRCE | RCE | Clarence E Page Municipal | Oklahoma City | Oklahoma | United States | Airport | |
| 24FA | Lake Weir | Oklawaha | Florida | United States | Seaplane Base | ||
| FA38 | Woods And Lakes Airpark | Oklawaha | Florida | United States | Airport | ||
| KOKM | OKM | OKM | Okmulgee Regional | Okmulgee | Oklahoma | United States | Airport |
| 5A4 | Okolona Municipal-Richard Stovall Field | Okolona | Mississippi | United States | Airport | ||
| 5MS8 | Ball | Okolona | Mississippi | United States | Airport | ||
| FYAH | Okombahe | Okombahe | Namibia | Airport | |||
| FYOD | Okomitundu | Okomitundu | Namibia | Airport | |||
| FOGQ | OKN | Okondja | Okondja | Gabon | Airport | ||
| FYKG | Okongo | Okongo | Namibia | Airport | |||
| FYKN | Okonjima | Okonjima | Namibia | Airport | |||
| FYKR | Okorusu Mine | Okorusu Mine | Namibia | Airport | |||
| FYOZ | Okozongomingo | Okozongomingo | Namibia | Airport | |||
| WAJO | OKL | Oksibil (Dgac) | Oksibil | Western New Guinea | Indonesia | Airport | |
| RJEO | OIR | Okushiri | Okushiri | Japan | Airport | ||
| FBOK | Okwa Camp One | Okwa Camp One | Botswana | Airport | |||
| BIOF | Olafsfjordur | Olafsfjordur | Iceland | Airport | |||
| ESMZ | Byxelkrok Olanda | Olanda | Sweden | Airport | |||
| 1CO4 | Clifford Field | Olathe | Colorado | United States | Airport | ||
| 37CO | Ash Mesa | Olathe | Colorado | United States | Heliport | ||
| KIXD | IXD | JCI | New Century Aircenter | Olathe | Kansas | United States | Airport |
| 51K | Cedar Air Park | Olathe | Kansas | United States | Airport | ||
| 97KS | Clear View Farm | Olathe | Kansas | United States | Airport | ||
| KOJC | OJC | OJC | Johnson County Executive | Olathe | Kansas | United States | Airport |
| SAZF | Olavarria | Olavarria | Argentina | Airport | |||
| LIEO | OLB | Olbia Costa Smeralda | Olbia | Sardinia | Italy | Airport | |
| D80 | Olcott-Newfane | Olcott | New York | United States | Airport | ||
| YOAD | Old Andado | Old Andado | Northern Territory | Australia | Airport | ||
| YOAF | Old Arafura | Old Arafura | Northern Territory | Australia | Airport | ||
| YOBR | Old Bar | Old Bar | New South Wales | Australia | Airport | ||
| 7TX9 | Ashford Field | Old Boston | Texas | United States | Airport | ||
| 3N6 | Old Bridge | Old Bridge | New Jersey | United States | Airport | ||
| EGSV | Old Buckenham | Old Buckenham | United Kingdom | Airport | |||
| YBDM | Old Bundemar | Old Bundemar | New South Wales | Australia | Airport | ||
| CYOC | CYOC | YOC | Old Crow | Old Crow | Yukon Territory | Canada | Airport |
| NK26 | Old Forge | Old Forge | New York | United States | Airport | ||
| YGPA | Old Goodparla | Old Goodparla | Northern Territory | Australia | Airport | ||
| 6R7 | OLH | Old Harbor | Old Harbor | Alaska | United States | Airport | |
| 5CT7 | Mile Creek | Old Lyme | Connecticut | United States | Airport | ||
| 6MO0 | Blackhawk | Old Monroe | Missouri | United States | Airport | ||
| 08XS | Peterson | Old Ocean | Texas | United States | Airport | ||
| 8LL0 | Nance | Old Ripley | Illinois | United States | Airport | ||
| EGLS | Old Sarum | Old Sarum | United Kingdom | Airport | |||
| CT57 | Old Saybrook | Old Saybrook | Connecticut | United States | Heliport | ||
| YOSN | Old Station | Old Station | Queensland | Australia | Airport | ||
| 5FD0 | Manatee Springs | Old Town | Florida | United States | Airport | ||
| FD80 | Manatee | Old Town | Florida | United States | Seaplane Base | ||
| 0FL3 | Old Town Ems | Old Town | Florida | United States | Heliport | ||
| KOLD | OLD | OLD | Dewitt Field,Old Town Municipal | Old Town | Maine | United States | Airport |
| EGTH | Old Warden | Old Warden | United Kingdom | Airport | |||
| 9OI8 | Brothers Aviation | Old Washington | Ohio | United States | Airport | ||
| EDWH | Oldenburg Hatten | Oldenburg Hatten | Germany | Airport | |||
| CFK6 | FK6 | Olds (Netook) | Olds | Alberta | Canada | Airport | |
| CEA3 | EA3 | Olds Didsbury | Olds, Didsbury | Alberta | Canada | Airport | |
| FD75 | Gulf Aerospace | Oldsmar | Florida | United States | Heliport | ||
| 8G3 | Giermek Executive | Olean | New York | United States | Airport | ||
| 5NK4 | Olean General | Olean | New York | United States | Heliport | ||
| KOLE | OLE | OLE | Cattaraugus County-Olean | Olean | New York | United States | Airport |
| 75NY | Reiss Game Farm | Olean | New York | United States | Airport | ||
| UEMO | Olekminsk | Olekminsk | Russia | Airport | |||
| UERO | Olenek | Olenek | Russia | Airport | |||
| KOY | KOY | Olga Bay | Olga Bay | Alaska | United States | Seaplane Base | |
| YOGD | Olga Downs | Olga Downs | Queensland | Australia | Airport | ||
| LG56 | Olimboi | Olimboi | North Aegean | Greece | Airport | ||
| SDOL | Olimpia | Olimpia | Brazil | Airport | |||
| KOLV | OLV | OLV | Olive Branch | Olive Branch | Mississippi | United States | Airport |
| MS62 | Davis Field | Olive Branch | Mississippi | United States | Airport | ||
| MS00 | Double O Ranch | Olive Branch | Mississippi | United States | Airport | ||
| 2I2 | Olive Hill-Sellers' Field | Olive Hill | Kentucky | United States | Airport | ||
| 2KY5 | Womstead Field | Olive Hill | Kentucky | United States | Airport | ||
| TN08 | Oliver Springs Inc | Oliver Springs | Tennessee | United States | Airport | ||
| KOVL | OVL | Olivia Regional | Olivia | Minnesota | United States | Airport | |
| TE61 | Wolf Point | Olivia | Texas | United States | Heliport | ||
| 05UT | Oljato | Oljato | Utah | United States | Airport | ||
| L47 | Olla | Olla | Louisiana | United States | Airport | ||
| 49OH | Gilbert | Olmsted Falls | Ohio | United States | Airport | ||
| 8LL4 | Richland Memorial Hospital | Olney | Illinois | United States | Heliport | ||
| MD58 | Montgomery County Police Norwood | Olney | Maryland | United States | Heliport | ||
| 18MD | Montgomery General Hospital | Olney | Maryland | United States | Heliport | ||
| KONY | ONY | ONY | Olney Municipal | Olney | Texas | United States | Airport |
| KOLY | OLY | OLY | Olney-Noble | Olney-Noble | Illinois | United States | Airport |
| LKOL | OLO | Olomouc | Olomouc | Czech Republic | Airport | ||
| RPLB | SFS | Subic Bay International | Olongapo City | Zambales | Philippines | Airport | |
| LFCO | Oloron_Herrere | Oloron | France | Airport | |||
| SN99 | Laflin Ranch | Olsburg | Kansas | United States | Airport | ||
| LSPO | Olten | Olten | Switzerland | Airport | |||
| TS42 | Del-Tex | Olton | Texas | United States | Airport | ||
| F09 | Olustee Municipal | Olustee | Oklahoma | United States | Airport | ||
| KOLM | OLM | OLM | Olympia Regional | Olympia | Washington | United States | Airport |
| WN12 | Fishtrap | Olympia | Washington | United States | Heliport | ||
| WN58 | Capitol Medical Center | Olympia | Washington | United States | Heliport | ||
| WA32 | Stonehedge | Olympia | Washington | United States | Heliport | ||
| 14WA | LZ Ranch | Olympia | Washington | United States | Airport | ||
| 0WN4 | Olympia | Olympia | Washington | United States | Heliport | ||
| WN36 | Kari Field | Olympia | Washington | United States | Airport | ||
| 6WA2 | Gower Field | Olympia | Washington | United States | Airport | ||
| 44T | Hoskins Field | Olympia | Washington | United States | Airport | ||
| IS30 | St James Hospital And Health Center | Olympia Fields | Illinois | United States | Heliport | ||
| YOLD | OLP | Olympic Dam | Olympic Dam | South Australia | Australia | Airport | |
| 40PA | Specialty Records | Olyphant | Pennsylvania | United States | Heliport | ||
| 2IL5 | Sutton | Omaha | Illinois | United States | Airport | ||
| NE46 | Gemini | Omaha | Nebraska | United States | Heliport | ||
| KOFF | OFF | OFF | Offutt AFB | Omaha | Nebraska | United States | Airport |
| 55NE | Bergan Mercy Hospital | Omaha | Nebraska | United States | Heliport | ||
| NE71 | Immanuel Medical Center | Omaha | Nebraska | United States | Heliport | ||
| 58NE | Nebraska Methodist Hospital | Omaha | Nebraska | United States | Heliport | ||
| 61NE | Univ. Of Ne Medical Center | Omaha | Nebraska | United States | Heliport | ||
| 9NE6 | Bates Airpark | Omaha | Nebraska | United States | Airport | ||
| KOMA | OMA | OMA | Eppley Airfield | Omaha | Nebraska | United States | Airport |
| NE28 | Jubilee | Omaha | Nebraska | United States | Heliport | ||
| 10NE | St Joseph Hospital | Omaha | Nebraska | United States | Heliport | ||
| 3NO | North Omaha | Omaha | Nebraska | United States | Airport | ||
| KMLE | MLE | MIQ | Millard | Omaha | Nebraska | United States | Airport |
| KOMK | OMK | OMK | Omak | Omak | Washington | United States | Airport |
| 9WA5 | Mid-Valley Hospital Ems | Omak | Washington | United States | Heliport | ||
| 0WN9 | Wings For Christ | Omak | Washington | United States | Airport | ||
| NZOM | Omaka | Omaka | New Zealand | Airport | |||
| NZOA | Omarama | Omarama | New Zealand | Airport | |||
| FYOM | Omaruru | Omaruru | Namibia | Airport | |||
| FYGL | Omaruru Game Lodge | Omaruru Game Lodge | Namibia | Airport | |||
| FYMR | Omatarassu | Omatarassu | Namibia | Airport | |||
| FOOH | OMB | Omboue Hopital | Omboue | Gabon | Airport | ||
| FYOE | Omega | Omega | Namibia | Airport | |||
| YOMO | Omeo | Omeo | Victoria | Australia | Heliport | ||
| OIAJ | OMI | Omidiyeh | Omidiyeh | Iran | Airport | ||
| RJSO | Ominato Nas | Ominato | Japan | Airport | |||
| 64WI | Sky Diving | Omro | Wisconsin | United States | Airport | ||
| UNOO | OMS | Omsk_Tsentralnyi | Omsk | Omsk | Russia | Airport | |
| UNOS | Omsk Severny | Omsk Severny | Russia | Airport | |||
| 52K | Charles E Grutzmacher Municipal | Onaga | Kansas | United States | Airport | ||
| WN59 | Nelsons Nitch | Onalaska | Washington | United States | Airport | ||
| WN74 | Burnt Ridge Airstrip | Onalaska | Washington | United States | Airport | ||
| MY66 | North Star Ranch | Onamia | Minnesota | United States | Airport | ||
| MN94 | Mille Lacs | Onamia | Minnesota | United States | Heliport | ||
| MN85 | Swiderski Field | Onamia | Minnesota | United States | Airport | ||
| VA91 | Johnson Field | Onancock | Virginia | United States | Airport | ||
| VA92 | Peace And Plenty Farm | Onancock | Virginia | United States | Airport | ||
| K36 | Onawa Municipal | Onawa | Iowa | United States | Airport | ||
| 2IA8 | Burgess Health Center | Onawa | Iowa | United States | Heliport | ||
| 1MI3 | Black River Ranch | Onaway | Michigan | United States | Airport | ||
| Y96 | Leo E. Goetz County | Onaway | Michigan | United States | Airport | ||
| FYOA | OND | Ondangwa | Ondangwa | Namibia | Airport | ||
| SIND | Ondina | Ondina | Brazil | Heliport | |||
| VA1H | Ondwa | Ondwa | India | Airport | |||
| YOAP | One Arm Pt | One Arm Pt | Western Australia | Australia | Airport | ||
| SILR | One Hundred | One Hundred | Brazil | Heliport | |||
| 0NY5 | State Police Troop D | Oneida | New York | United States | Heliport | ||
| 6NK8 | Flying K | Oneida | New York | United States | Airport | ||
| KSCX | SCX | Scott Municipal | Oneida | Tennessee | United States | Airport | |
| 20A | Robbins Field | Oneonta | Alabama | United States | Airport | ||
| N66 | ONH | Oneonta Municipal | Oneonta | New York | United States | Airport | |
| FYNG | Ongava Lodge | Ongava Lodge | Namibia | Airport | |||
| WRLO | Ongko Asa (Advent) | Ongko Asa | Indonesia | Airport | |||
| FYUE | Ongwediva | Ongwediva | Namibia | Airport | |||
| 98D | Onida Municipal | Onida | South Dakota | United States | Airport | ||
| SD56 | Ralph Myers | Onida | South Dakota | United States | Airport | ||
| RJT3 | Onishi | Onishi | Japan | Airport | |||
| VG20 | Onley | Onley | Virginia | United States | Airport | ||
| 8PA1 | Dee Jay | Ono | Pennsylvania | United States | Airport | ||
| 11J | Gorilla | Onondaga | Michigan | United States | Heliport | ||
| YOLW | ONS | Onslow | Onslow | Western Australia | Australia | Airport | |
| KONT | ONT | ONT | Ontario International | Ontario | California | United States | Airport |
| KONO | ONO | ONO | Ontario Municipal | Ontario | Oregon | United States | Airport |
| 5OR6 | Holy Rosary Medical Center | Ontario | Oregon | United States | Heliport | ||
| KOGM | OGM | Ontonagon County - Schuster Field | Ontonagon | Michigan | United States | Airport | |
| YOOB | Oobagooma | Oobagooma | Western Australia | Australia | Airport | ||
| YSAR | Mount Sarah | Oodnadatta | South Australia | Australia | Airport | ||
| YOOD | ODD | Oodnadatta | Oodnadatta | South Australia | Australia | Airport | |
| OK15 | Avian Country Estates | Oolagah | Oklahoma | United States | Airport | ||
| YODA | Ooldea | Ooldea | South Australia | Australia | Airport | ||
| OK37 | Dog Iron Ranch | Oologah | Oklahoma | United States | Airport | ||
| YOBM | Oombabeer | Oombabeer | Queensland | Australia | Airport | ||
| YFRV | Forest River Mission | Oombulgurri | Western Australia | Australia | Airport | ||
| YORT | Ooratippra | Ooratippra | Northern Territory | Australia | Airport | ||
| 2WI8 | Davies | Oostburg | Wisconsin | United States | Airport | ||
| EHOW | Oostwold | Oostwold | Netherlands | Airport | |||
| YOTN | Ootann | Ootann | Queensland | Australia | Airport | ||
| FYOT | Ootmoed | Ootmoed | Namibia | Airport | |||
| SD72 | Vig Ranch Airfield | Opal | South Dakota | United States | Airport | ||
| AL89 | Sommerset Strip | Opelika | Alabama | United States | Airport | ||
| 3AL2 | East Alabama Medical Center | Opelika | Alabama | United States | Heliport | ||
| KOPL | OPL | OPL | St Landry Parish-Ahart Field | Opelousas | Louisiana | United States | Airport |
| LS59 | La Petite Airdrome | Opelousas | Louisiana | United States | Ultralight | ||
| S00 | Opheim | Opheim | Montana | United States | Airport | ||
| MT09 | Floyd Ranch | Opheim | Montana | United States | Airport | ||
| Z17 | Ophir | Ophir | Alaska | United States | Airport | ||
| YOPC | Opium | Opium | Northern Territory | Australia | Airport | ||
| NZOP | Opotiki | Opotiki | New Zealand | Airport | |||
| ENOP | Fagerhaug | Oppdal | Norway | Airport | |||
| EDGP | Oppenheim | Oppenheim | Germany | Airport | |||
| ESNM | Optand | Optand | Sweden | Airport | |||
| SWZX | Opto | Opto | Brazil | Heliport | |||
| LL23 | Meyer | Oquawka | Illinois | United States | Airport | ||
| IL22 | Heeg | Oquawka | Illinois | United States | Airport | ||
| LROD | OMR | Oradea | Oradea | Romania | Airport | ||
| UARR | URA | Uralsk | Oral (Form. Uralsk) | West Kazakhstan | Kazakhstan | Airport | |
| DAOO | ORN | Es Senia | Oran | Algeria | Airport | ||
| DAOL | TAF | Tafaraoui | Oran | Algeria | Airport | ||
| SASO | ORA | Oran | Oran (San Ramon De La Nueva Oran) | Argentina | Airport | ||
| 1CL4 | Uci Medical Center | Orange | California | United States | Heliport | ||
| CL55 | Sce Serrano Substation | Orange | California | United States | Heliport | ||
| 4CA5 | Childrens Hospital Of Orange County | Orange | California | United States | Heliport | ||
| KORE | ORE | Orange Municipal | Orange | Massachusetts | United States | Airport | |
| KORG | ORG | Orange County | Orange | Texas | United States | Airport | |
| KOMH | OMH | Orange County | Orange | Virginia | United States | Airport | |
| 6VA1 | Atlantic Research Corp | Orange | Virginia | United States | Heliport | ||
| 90VA | Hen & Bacon | Orange | Virginia | United States | Airport | ||
| 2VG7 | Seven Gables | Orange | Virginia | United States | Airport | ||
| LFMO | XOG | Caritat Ab | Orange | France | Airport | ||
| YORG | OAG | Orange | Orange | New South Wales | Australia | Airport | |
| 3FL2 | Florida Hospital-Fish Memorial | Orange City | Florida | United States | Heliport | ||
| KORC | ORC | Orange City Municipal | Orange City | Iowa | United States | Airport | |
| KNOG | NOG | Orange Grove NALF | Orange Grove | Texas | United States | Airport | |
| 62FD | Doctors Lake | Orange Park | Florida | United States | Seaplane Base | ||
| FD02 | 85th Avenue Airstrip | Orange Springs | Florida | United States | Airport | ||
| KOGB | OGB | OGB | Orangeburg Municipal | Orangeburg | South Carolina | United States | Airport |
| SC64 | The Reg Med Ctr Of Orbg & Calhoun Co | Orangeburg | South Carolina | United States | Heliport | ||
| 1DS | Dry Swamp | Orangeburg | South Carolina | United States | Airport | ||
| XS33 | Chesson | Orangefield | Texas | United States | Airport | ||
| 7NY7 | Palisades Conference Center | Orangetown | New York | United States | Heliport | ||
| FYOG | OMD | Oranjemund | Oranjemund | Namibia | Airport | ||
| TNCE | TNCE | EUX | F D Roosevelt | Oranjestad | Sint Eustatius | Netherlands | Airport |
| TNCA | AUA | Reina Beatrix International | Oranjestad | Aruba | Netherlands | Airport | |
| YORP | Oraparinna | Oraparinna | South Australia | Australia | Airport | ||
| PN73 | Beers Farm | Orbisona/Rockhill | Pennsylvania | United States | Airport | ||
| YORB | RBS | Orbost | Orbost | Victoria | Australia | Airport | |
| YORS | Orbost | Orbost | Victoria | Australia | Heliport | ||
| 7CO5 | Yocam Ranch | Orchard | Colorado | United States | Airport | ||
| TA97 | White Wing Ranch | Orchard | Texas | United States | Airport | ||
| 7MI1 | Mc Phail | Orchard Lake | Michigan | United States | Heliport | ||
| 21MI | Adams | Orchard Lake | Michigan | United States | Heliport | ||
| YORC | Orchid Beach | Orchid Beach | Queensland | Australia | Airport | ||
| YOCR | Orchid Creek | Orchid Creek | Queensland | Australia | Airport | ||
| KODX | ODX | Evelyn Sharp Field | Ord | Nebraska | United States | Airport | |
| YORV | Ord River | Ord River | Western Australia | Australia | Airport | ||
| 30TS | Hall | Ore City | Texas | United States | Airport | ||
| 0ID5 | Ez Lope Ranch | Oreana | Idaho | United States | Airport | ||
| ESOE | ORB | Orebro | Orebro | Sweden | Airport | ||
| 67LL | County Poor Farm | Oregon | Illinois | United States | Airport | ||
| 6MO1 | Markt Air Strip | Oregon | Missouri | United States | Airport | ||
| OI44 | St Charles Hospital | Oregon | Ohio | United States | Heliport | ||
| 0WI9 | Mc Manus Hoonch-Na-Shee-Kaw | Oregon | Wisconsin | United States | Airport | ||
| 15WI | Peterson Field | Oregon | Wisconsin | United States | Airport | ||
| WS33 | Storytown Airfield | Oregon | Wisconsin | United States | Airport | ||
| WI40 | Spiegel Field | Oregon | Wisconsin | United States | Airport | ||
| OG20 | Fairways | Oregon City | Oregon | United States | Airport | ||
| 1OR7 | Skyhill | Oregon City | Oregon | United States | Airport | ||
| OG30 | Aeroacres | Oregon City | Oregon | United States | Airport | ||
| 1OR9 | Providence Willamette Falls Medical Center | Oregon City | Oregon | United States | Heliport | ||
| 2OR0 | Nielsen | Oregon City | Oregon | United States | Airport | ||
| 7OR9 | Parson Landing | Oregon City | Oregon | United States | Airport | ||
| YXOR | Oreillys | Oreillys | Queensland | Australia | Heliport | ||
| SPON | Orellana | Orellana | Peru | Airport | |||
| UT78 | Timpanogos Regional Hospital | Orem | Utah | United States | Heliport | ||
| UT85 | Cirque Lodge Studio | Orem | Utah | United States | Heliport | ||
| UWOO | REN | Orenburg | Orenburg (Form. Chkalov) | Orenburg | Russia | Airport | |
| ESGM | Oresten | Oresten | Sweden | Airport | |||
| WI11 | Mumm Field | Orfordville | Wisconsin | United States | Airport | ||
| 6WI7 | Walnut Wash | Orfordville | Wisconsin | United States | Airport | ||
| NM79 | Shoestring Ranch | Organ | New Mexico | United States | Airport | ||
| SWPZ | Oricanga De Abreu | Oricanga De Abreu | Brazil | Airport | |||
| YOIT | Orielton | Orielton | Queensland | Australia | Airport | ||
| 2NK3 | Rose Field | Orient | New York | United States | Airport | ||
| 4OH4 | Millertime | Orient | Ohio | United States | Airport | ||
| YORW | Orient Well | Orient Well | Western Australia | Australia | Airport | ||
| 81CL | Sandhill | Orinda | California | United States | Heliport | ||
| SYOR | ORJ | Orinduik | Orinduik | Guyana | Airport | ||
| EFOP | Oripaa | Oripaa | Finland | Airport | |||
| 3ND5 | Gage Flying Farmer | Oriska | North Dakota | United States | Airport | ||
| LIER | QOS | Oristano Fenosu | Oristano | Italy | Airport | ||
| SVOK | Oritupano | Oritupano | Venezuela | Airport | |||
| SNOX | Oriximina | Oriximina | Brazil | Airport | |||
| SBTB | ORX | Trombetas | Oriximina | Para | Brazil | Airport | |
| O37 | Haigh Field | Orland | California | United States | Airport | ||
| ENOL | OLA | Orland | Orland | Norway | Airport | ||
| 91FL | Lake Conway North | Orlando | Florida | United States | Seaplane Base | ||
| 37FA | Florida Hospital | Orlando | Florida | United States | Heliport | ||
| 26FA | Princeton Hospital | Orlando | Florida | United States | Heliport | ||
| 01FA | Rybolt Ranch | Orlando | Florida | United States | Airport | ||
| 32FL | Meyer | Orlando | Florida | United States | Heliport | ||
| 2FD7 | Air Orlando | Orlando | Florida | United States | Heliport | ||
| FD28 | Orlando Regional Medical Center | Orlando | Florida | United States | Heliport | ||
| FD36 | Florida Hospital East Orlando | Orlando | Florida | United States | Heliport | ||
| FD99 | Dr. P. Phillips Hospital | Orlando | Florida | United States | Heliport | ||
| 13FD | Yelvington | Orlando | Florida | United States | Heliport | ||
| 3FD5 | Arnold Palmer Hospital | Orlando | Florida | United States | Heliport | ||
| 89FL | Lake Hiawassee | Orlando | Florida | United States | Seaplane Base | ||
| 0FL7 | Wkmg-Tv | Orlando | Florida | United States | Heliport | ||
| 2FL5 | Brooksville International Airways, Inc. | Orlando | Florida | United States | Heliport | ||
| 12FL | Timberlachen | Orlando | Florida | United States | Seaplane Base | ||
| 97FD | Helicopters International | Orlando | Florida | United States | Heliport | ||
| KMCO | MCO | MCO | Orlando International | Orlando | Florida | United States | Airport |
| KSFB | SFB | SFB | Orlando Sanford International | Orlando | Florida | United States | Airport |
| KISM | ISM | ISM | Kissimmee Gateway | Orlando | Florida | United States | Airport |
| KORL | ORL | ORL | Executive | Orlando | Florida | United States | Airport |
| 27FA | Orange County Sheriff's Office | Orlando | Florida | United States | Heliport | ||
| SSBY | Orlando Chesini Ometto | Orlando Chesini Ometto | Brazil | Airport | |||
| 98FL | Sand Lake | Orlando/Buena Vista | Florida | United States | Seaplane Base | ||
| 7I4 | Orleans | Orleans | Indiana | United States | Airport | ||
| 67NE | L J Bose Airstrip | Orleans | Nebraska | United States | Airport | ||
| LFOJ | ORE | Bricy | Orleans | France | Airport | ||
| YORL | Orleans Farm | Orleans Farm | Western Australia | Australia | Airport | ||
| LFOZ | Orleans Saint Denis | Orleans-St-Denis De L'hotel | France | Airport | |||
| OPOR | Ormara | Ormara | Pakistan | Airport | |||
| RPVO | OMC | Ormoc | Ormoc | Leyte | Philippines | Airport | |
| 04FL | Cross Creek Farms | Ormond | Florida | United States | Airport | ||
| KOMN | OMN | Ormond Beach Municipal | Ormond Beach | Florida | United States | Airport | |
| 0FD0 | Big 'G' | Ormond Beach | Florida | United States | Airport | ||
| ESNO | OER | Ornskoldsvik | Ornskoldsvik | Sweden | Airport | ||
| SVON | Oro Negro | Oro Negro | Venezuela | Airport | |||
| 2AZ6 | Horizon | Oro Valley | Arizona | United States | Heliport | ||
| PR19 | Orocovis Health Center | Orocovis | Puerto Rico | United States | Heliport | ||
| SKOE | ORC | Orocue | Orocue | Colombia | Airport | ||
| S68 | Orofino Municipal | Orofino | Idaho | United States | Airport | ||
| ID29 | Big Island | Orofino | Idaho | United States | Airport | ||
| ID66 | Clearwater Valley Hospital | Orofino | Idaho | United States | Heliport | ||
| 75C | Orogrande | Orogrande | Idaho | United States | Airport | ||
| 5WA5 | Ross Private Strip | Orondo | Washington | United States | Airport | ||
| 21MN | Amundson | Orono/Lake Minnetonka | Minnesota | United States | Seaplane Base | ||
| MN32 | Nietz Airstrip | Oronoco | Minnesota | United States | Airport | ||
| FYOR | Oropoko | Oropoko | Namibia | Airport | |||
| NV68 | Pine Grove | Orovada | Nevada | United States | Airport | ||
| KOVE | OVE | OVE | Oroville Municipal | Oroville | California | United States | Airport |
| O06 | Lake Oroville Landing Area | Oroville | California | United States | Seaplane Base | ||
| 97CL | Siller Bros Inc | Oroville | California | United States | Airport | ||
| 0S7 | Dorothy Scott | Oroville | Washington | United States | Airport | ||
| 75WT | Dickson Field | Oroville | Washington | United States | Airport | ||
| YOPH | Orpheus Island | Orpheus Island | Queensland | Australia | Seaplane Base | ||
| KORB | ORB | Orr Regional | Orr | Minnesota | United States | Airport | |
| 2MN5 | Pelican Lake | Orr | Minnesota | United States | Seaplane Base | ||
| YORR | Orroroo | Orroroo | South Australia | Australia | Airport | ||
| 8OH1 | Dunlap Community Hospital | Orrville | Ohio | United States | Heliport | ||
| ESNR | Orsa | Orsa | Sweden | Airport | |||
| UWOR | OSW | Orsk | Orsk | Orenburg | Russia | Airport | |
| 7PA4 | Orson Field | Orson | Pennsylvania | United States | Airport | ||
| MI45 | Ed Schulte's Place | Ortonville | Michigan | United States | Airport | ||
| 3MI7 | Willie Run | Ortonville | Michigan | United States | Airport | ||
| KVVV | VVV | Ortonville Municipal-Martinson Field | Ortonville | Minnesota | United States | Airport | |
| 50MN | Ortonville Hospital | Ortonville | Minnesota | United States | Heliport | ||
| YORU | Orungal | Orungal | Queensland | Australia | Airport | ||
| SLOR | ORU | Juan Mendoza | Oruro | Bolivia | Airport | ||
| D02 | Osage Municipal | Osage | Iowa | United States | Airport | ||
| 19T | Tan Tar A Resort | Osage Beach | Missouri | United States | Seaplane Base | ||
| MU91 | Logh | Osage Beach | Missouri | United States | Heliport | ||
| K15 | OSB | Grand Glaize- Osage Beach | Osage Beach | Missouri | United States | Airport | |
| 53K | Osage City Municipal | Osage City | Kansas | United States | Airport | ||
| 0KS0 | J V Ranch | Osage City | Kansas | United States | Airport | ||
| RJBB | KIX | Kansai International | Osaka | Japan | Airport | ||
| RJOO | ITM | Osaka International | Osaka | Japan | Airport | ||
| RJOY | Yao | Osaka | Japan | Airport | |||
| RKSO | OSN | Osan Ab | Osan | South Korea | Airport | ||
| K75 | Osborne Municipal | Osborne | Kansas | United States | Airport | ||
| YOSI | Osborne Island | Osborne Island | Western Australia | Australia | Seaplane Base | ||
| YOSB | Osborne Mine | Osborne Mine | Queensland | Australia | Airport | ||
| AR67 | Smc Regional Medical Center | Osceola | Arkansas | United States | Heliport | ||
| 93AR | Ohlendorf | Osceola | Arkansas | United States | Airport | ||
| 7M4 | Osceola Municipal | Osceola | Arkansas | United States | Airport | ||
| 6IA9 | Clarke County Hospital | Osceola | Iowa | United States | Heliport | ||
| I75 | Osceola Municipal | Osceola | Iowa | United States | Airport | ||
| 6MO4 | Wixted | Osceola | Missouri | United States | Airport | ||
| 3MO | Osceola Municipal | Osceola | Missouri | United States | Airport | ||
| KOEO | OEO | OEO | L O Simenstad Municipal | Osceola | Wisconsin | United States | Airport |
| 69WI | Kroy-Osceola | Osceola | Wisconsin | United States | Heliport | ||
| WN86 | St Croix Valley | Osceola | Wisconsin | United States | Airport | ||
| 1PS4 | Sankey | Osceola Mills | Pennsylvania | United States | Airport | ||
| KOSC | OSC | OSC | Oscoda-Wurtsmith | Oscoda | Michigan | United States | Airport |
| LHOY | Ocseny | Oscseny | Hungary | Airport | |||
| K80E | 80E | Oscura AAF Aux | Oscura | New Mexico | United States | Airport | |
| UAFO | OSS | Osh | Osh | Osh | Kyrgyzstan | Airport | |
| FYOS | Oshakati | Oshakati | Namibia | Airport | |||
| CYOO | CYOO | YOO | Oshawa | Oshawa | Ontario | Canada | Airport |
| RJTO | OIM | Rjto-Oshima | Oshima Island | Japan | Airport | ||
| KOKS | OKS | OKS | Garden County | Oshkosh | Nebraska | United States | Airport |
| KOSH | OSH | OSH | Wittman Regional | Oshkosh | Wisconsin | United States | Airport |
| 1WI1 | Williams | Oshkosh | Wisconsin | United States | Airport | ||
| WS50 | Mercy Medical Center | Oshkosh | Wisconsin | United States | Heliport | ||
| 96WI | Vette/Blust | Oshkosh | Wisconsin | United States | Seaplane Base | ||
| 51WI | Gallinger | Oshkosh | Wisconsin | United States | Airport | ||
| WS17 | Pioneer | Oshkosh | Wisconsin | United States | Airport | ||
| LDOC | OSI | Cepin | Osijek | Croatia | Airport | ||
| LDOS | Osijek | Osijek | Croatia | Airport | |||
| FYIR | Osire | Osire | Namibia | Airport | |||
| IA63 | Edgren | Oskaloosa | Iowa | United States | Airport | ||
| IA34 | Mahaska County Hospital | Oskaloosa | Iowa | United States | Heliport | ||
| KOOA | OOA | OOA | Oskaloosa Municipal | Oskaloosa | Iowa | United States | Airport |
| 7KS0 | Flying T | Oskaloosa | Kansas | United States | Airport | ||
| ESMO | OSK | Oskarshamn | Oskarshamn | Sweden | Airport | ||
| ENGM | OSL | Oslo Gardermoen | Oslo | Norway | Airport | ||
| EDWO | Osnabrueck Atterheide | Osnabruck-Atterheide | Germany | Airport | |||
| FYSN | Osona | Osona | Namibia | Airport | |||
| SCJO | ZOS | Canal Bajo Carlos Hott Siebert | Osorno | Los Lagos | Chile | Airport | |
| YOPY | Osprey Reef | Osprey Reef | Queensland | Australia | Seaplane Base | ||
| 78WI | Osseo Medical Center | Osseo | Wisconsin | United States | Heliport | ||
| 2II7 | K-9 Korner | Ossian | Indiana | United States | Heliport | ||
| 2IN0 | Skip's Place | Ossian | Indiana | United States | Airport | ||
| NK78 | Ge Management Development Institute | Ossining | New York | United States | Heliport | ||
| NK90 | Tli | Ossining | New York | United States | Heliport | ||
| 3FA5 | Richard Kohler | Osteen | Florida | United States | Heliport | ||
| EBOS | OST | Oostende | Ostend (Oostende) | Belgium | Airport | ||
| 3MN9 | Schumacher | Oster | Minnesota | United States | Airport | ||
| 1PS0 | Ickes | Osterburg | Pennsylvania | United States | Airport | ||
| MA23 | North Bay | Osterville | Massachusetts | United States | Heliport | ||
| OI85 | Mill Creek | Ostrander | Ohio | United States | Airport | ||
| LKMT | OSR | Ostrava Mosnov | Ostrava | Czech Republic | Airport | ||
| K67 | Oswego Municipal | Oswego | Kansas | United States | Airport | ||
| 5NK5 | Kingdom Field | Oswego | New York | United States | Airport | ||
| FYOV | Otavi | Otavi | Namibia | Airport | |||
| 24WA | Othello Community Hospital | Othello | Washington | United States | Heliport | ||
| 6WA4 | Ochoa Field | Othello | Washington | United States | Airport | ||
| S70 | Othello Municipal | Othello | Washington | United States | Airport | ||
| 0ME4 | Peasley Field | Otis | Maine | United States | Airport | ||
| FYRO | Otjikaru | Otjikaru | Namibia | Airport | |||
| FYGW | Otjimbingwe | Otjimbingwe | Namibia | Airport | |||
| FYTN | Otjinene | Otjinene | Namibia | Airport | |||
| FYTZ | Otjisazu | Otjisazu | Namibia | Airport | |||
| FYTW | Otjiwa Game Ranch | Otjiwa Game Ranch | Namibia | Airport | |||
| FYTJ | Otjohorongo | Otjohorongo | Namibia | Airport | |||
| FYOB | Otjonjise | Otjonjise | Namibia | Airport | |||
| LKOT | Otrokovice | Otrokovice | Czech Republic | Airport | |||
| LL25 | Ottawa Regional Hospital | Ottawa | Illinois | United States | Heliport | ||
| 8N2 | Skydive Chicago | Ottawa | Illinois | United States | Airport | ||
| SN57 | Witham | Ottawa | Kansas | United States | Airport | ||
| SN42 | Harrod | Ottawa | Kansas | United States | Airport | ||
| KOWI | OWI | Ottawa Municipal | Ottawa | Kansas | United States | Airport | |
| KOWX | OWX | Putnam County | Ottawa | Ohio | United States | Airport | |
| 51OH | Agner | Ottawa | Ohio | United States | Airport | ||
| CYRP | CYRP | YRP | Carp | Ottawa | Ontario | Canada | Airport |
| CYND | CYND | YND | Ottawa/Gatineau | Ottawa | Quebec | Canada | Airport |
| CYOW | CYOW | YOW | Ottawa/Macdonald-Cartier International | Ottawa | Ontario | Canada | Airport |
| CYRO | CYRO | YRO | Rockcliffe | Ottawa | Ontario | Canada | Airport |
| LOAA | Ottenschlag | Ottenschlag | Austria | Airport | |||
| CJV4 | JV4 | Otter Lake | Otter Lake | Saskatchewan | Canada | Airport | |
| CKB4 | KB4 | Otter Lake Water Aerodrome | Otter Lake | Saskatchewan | Canada | Seaplane Base | |
| IN29 | Durflinger | Otterbein | Indiana | United States | Airport | ||
| KOTM | OTM | OTM | Ottumwa Regional | Ottumwa | Iowa | United States | Airport |
| 3IA6 | Ottumwa Hospital | Ottumwa | Iowa | United States | Heliport | ||
| SKOT | OTU | Otu | Otu | Colombia | Airport | ||
| OI29 | Yellowbird Farm | Otway | Ohio | United States | Airport | ||
| DFFD | OUA | Ouagadougou | Ouagadougou | Burkina Faso | Airport | ||
| DFCC | OUG | Ouahigouya | Ouahigouya | Burkina Faso | Airport | ||
| DAUU | OGX | Ouargla | Ouargla | Algeria | Airport | ||
| GMMZ | OZZ | Ouarzazate | Ouarzazate | Morocco | Airport | ||
| EBOT | Oud Turnhout | Oud Turnhout | Belgium | Airport | |||
| FAOH | OUH | Oudtshoorn | Oudtshoorn | South Africa | Airport | ||
| LFEC | Ouessant | Ouessant | France | Airport | |||
| FCOU | OUE | Ouesso | Ouesso | Republic of the Congo | Airport | ||
| GMFO | OUD | Angads | Oujda | Morocco | Airport | ||
| EFOU | OUL | Oulu | Oulu | Finland | Airport | ||
| AL71 | Willow Point | Our Town | Alabama | United States | Airport | ||
| YERI | Eringoarrah | Oura | New South Wales | Australia | Airport | ||
| 94CO | Ponderosa | Ouray | Colorado | United States | Heliport | ||
| YODL | Ourdell | Ourdell | Queensland | Australia | Airport | ||
| SNOY | Ouricuri | Ouricuri | Brazil | Airport | |||
| SDOW | Ourilandia Do Norte | Ourilandia Do Norte | Brazil | Airport | |||
| SDOU | Ourinhos | Ourinhos | Brazil | Airport | |||
| SNOF | Ouro Fino | Ouro Fino | Brazil | Airport | |||
| SNEQ | Ouro Negro | Ouro Negro | Brazil | Heliport | |||
| SNRC | Ouro Verde | Ouro Verde | Brazil | Heliport | |||
| EG78 | Out Skerries | Out Skerries | United Kingdom | Airport | |||
| 83MN | Ponderosa | Outing | Minnesota | United States | Seaplane Base | ||
| FYOJ | OJO | Outjo | Outjo | Namibia | Airport | ||
| CKR9 | KR9 | Outlook | Outlook | Saskatchewan | Canada | Airport | |
| 4K5 | KOZ | Ouzinkie | Ouzinkie | Alaska | United States | Airport | |
| SCOT | Santa Rosa De Tabali | Ovalle | Coquimbo | Chile | Airport | ||
| MT16 | Buffalo Trail Ranch Strip | Ovando | Montana | United States | Airport | ||
| LPOV | Ovar | Ovar | Portugal | Airport | |||
| LLOV | VDA | Ovda | Ovda | Israel | Airport | ||
| FAOB | Overberg | Overberg | South Africa | Airport | |||
| EBGG | Geraardsbergen Overboelare | Overboelare | Belgium | Airport | |||
| 7KS2 | Cloud | Overbrook | Kansas | United States | Airport | ||
| 1F1 | Lake Murray State Park | Overbrook | Oklahoma | United States | Airport | ||
| AZ82 | Mogollon Airpark | Overgaard | Arizona | United States | Airport | ||
| ESNE | Overkalix | Overkalix | Sweden | Airport | |||
| SN54 | Overland Park Regional Medical Center | Overland Park | Kansas | United States | Heliport | ||
| SN35 | Menorah Medical Park | Overland Park | Kansas | United States | Heliport | ||
| U08 | Perkins Field | Overton | Nevada | United States | Airport | ||
| 0L9 | Echo Bay | Overton | Nevada | United States | Airport | ||
| D82 | Ovid | Ovid | New York | United States | Airport | ||
| 98FD | Lake Jessup | Oviedo | Florida | United States | Seaplane Base | ||
| LEAS | OVD | Asturias | Oviedo/Aviles | Spain | Airport | ||
| TS71 | Flying B Ranch | Ovilla | Texas | United States | Airport | ||
| FCOO | FTX | Owando | Owando (Form. Fort-Rousset) | Republic of the Congo | Airport | ||
| O38 | Gundys | Owasso | Oklahoma | United States | Airport | ||
| KOWA | OWA | OWA | Owatonna Degner Regional | Owatonna | Minnesota | United States | Airport |
| MN38 | Allina Hospital & Clinic Owatonna | Owatonna | Minnesota | United States | Heliport | ||
| 9NY3 | Susquehanna | Owego | New York | United States | Heliport | ||
| NK49 | Owego | Owego | New York | United States | Heliport | ||
| CYOS | CYOS | YOS | Owen Sound Billy Bishop Regional | Owen Sound | Ontario | Canada | Airport |
| 3AL8 | Flint River Ranch | Owens Crossroads | Alabama | United States | Airport | ||
| KOWB | OWB | OWB | Owensboro-Daviess County | Owensboro | Kentucky | United States | Airport |
| 13KY | Miles | Owensboro | Kentucky | United States | Airport | ||
| 6MO6 | Winter Field | Owensville | Missouri | United States | Airport | ||
| 9MO8 | Owensville Ambulance District | Owensville | Missouri | United States | Heliport | ||
| 21OI | Clearwater Airpark | Owensville | Ohio | United States | Airport | ||
| 61KY | Schroder | Owenton | Kentucky | United States | Airport | ||
| 78KY | New Horizons Health Systems Inc | Owenton | Kentucky | United States | Heliport | ||
| 0KY0 | Owen Air Park | Owenton | Kentucky | United States | Airport | ||
| DNIM | QOW | Imo | Owerri | Nigeria | Airport | ||
| 4MD9 | St John | Owings Mills | Maryland | United States | Airport | ||
| KRNP | RNP | Owosso Community | Owosso | Michigan | United States | Airport | |
| 10U | Owyhee | Owyhee | Nevada | United States | Airport | ||
| 28U | Owyhee Reservoir State | Owyhee | Oregon | United States | Airport | ||
| OR83 | Oxbow | Oxbow Village | Oregon | United States | Heliport | ||
| KOXC | OXC | OXC | Waterbury-Oxford | Oxford | Connecticut | United States | Airport |
| 31FA | S & S Avion Ranch | Oxford | Florida | United States | Airport | ||
| 2GA1 | Poole Farm | Oxford | Georgia | United States | Airport | ||
| IA24 | Green Castle | Oxford | Iowa | United States | Airport | ||
| 55K | Oxford Municipal | Oxford | Kansas | United States | Airport | ||
| 81B | Oxford County Regional | Oxford | Maine | United States | Airport | ||
| 37MI | Handleman Sky Ranch | Oxford | Michigan | United States | Airport | ||
| 0MS3 | Baptist Memorial Hospital-North Ms | Oxford | Mississippi | United States | Heliport | ||
| 24MS | Hospital Wing Of Oxford | Oxford | Mississippi | United States | Heliport | ||
| KUOX | UOX | UOX | University-Oxford | Oxford | Mississippi | United States | Airport |
| KHNZ | HNZ | Henderson-Oxford | Oxford | North Carolina | United States | Airport | |
| KOXD | OXD | OXD | Miami University | Oxford | Ohio | United States | Airport |
| 61OI | Mc Cullough Hyde Hospital | Oxford | Ohio | United States | Heliport | ||
| 9OA2 | Hueston Woods Lodge | Oxford | Ohio | United States | Heliport | ||
| OI26 | Hillcrest | Oxford | Ohio | United States | Airport | ||
| 4PS7 | Cohen | Oxford | Pennsylvania | United States | Airport | ||
| WS02 | Polish Paradise | Oxford | Wisconsin | United States | Airport | ||
| 2WI9 | Bulldog Ranch | Oxford | Wisconsin | United States | Airport | ||
| EGTK | OXF | Oxford Kidlington | Oxford | England | United Kingdom | Airport | |
| EGVN | BZZ | Raf Brize Norton | Oxford | England | United Kingdom | Airport | |
| YOLY | Oxley | Oxley | New South Wales | Australia | Airport | ||
| YOXL | Oxley Police Academy | Oxley Police Academy | Queensland | Australia | Heliport | ||
| KOXR | OXR | OXR | Oxnard | Oxnard | California | United States | Airport |
| CL73 | Rotor-Aids Maintenance Hangar | Oxnard | California | United States | Heliport | ||
| 2CL6 | St John's Regional Medical Center | Oxnard | California | United States | Heliport | ||
| HL55 | Oxy A 103 | Oxy A 103 | Libya | Airport | |||
| FOGO | OYE | Oyem | Oyem | Gabon | Airport | ||
| CED3 | ED3 | Oyen Muni | Oyen | Alberta | Canada | Airport | |
| UEMJ | Oymyakon | Oymyakon | Russia | Airport | |||
| LFLK | Arbent | Oyonnax-Arbent | France | Airport | |||
| YOYS | Oyster Reef | Oyster Reef | Queensland | Australia | Seaplane Base | ||
| RPMO | OZC | Ozamis | Ozamis City | Misamis Occidental | Philippines | Airport | |
| 71J | Blackwell Field | Ozark | Alabama | United States | Airport | ||
| AL87 | Dale Medical Center | Ozark | Alabama | United States | Heliport | ||
| 36AL | Hidden Springs Airpark | Ozark | Alabama | United States | Airport | ||
| 7M5 | Ozark-Franklin County | Ozark | Arkansas | United States | Airport | ||
| 6MO7 | Riverside Landings | Ozark | Missouri | United States | Airport | ||
| 18MO | Gimlin | Ozark | Missouri | United States | Airport | ||
| MO66 | Linden Air | Ozark | Missouri | United States | Airport | ||
| MU70 | Skyview | Ozark | Missouri | United States | Airport | ||
| KOZA | OZA | OZA | Ozona Municipal | Ozona | Texas | United States | Airport |
| 4TA8 | Perry Ranch | Ozona | Texas | United States | Airport | ||
| XA49 | Oso Canyon | Ozona | Texas | United States | Airport | ||
| RJOZ | Ozuki | Ozuki | Japan | Airport |
The previous list may be incomplete at any given time.
