| IATA
|
ICAO
|
Airport name
|
Location
|
| OAJ
|
KOAJ
|
Albert J. Ellis Airport
|
Jacksonville, North Carolina, United States
|
| OAK
|
KOAK
|
Oakland International Airport
|
Oakland (near San Francisco), California, United States
|
| OAM
|
NZOU
|
Oamaru Airport
|
Oamaru, North Otago, New Zealand
|
| OAR
|
KOAR
|
Marina Municipal Airport
|
Marina, California, United States
|
| OAX
|
MMOX
|
Xoxocotlán International Airport
|
Oaxaca, Mexico
|
| OBC
|
HDOB
|
Obock
|
Djibouti
|
| OBD
|
LEBA
|
Córdoba Airport
|
Córdoba, Spain
|
| OBE
|
KOBE
|
Okeechobee County Airport
|
Okeechobee, Florida, United States
|
| OBO
|
RJCB
|
Tokachi-Obihiro Airport
|
Obihiro, Tokachi Subprefecture, Hokkaido, Japan
|
| OBU
|
|
Kobuk Airport
|
Kobuk, Alaska, United States
|
| OCA
|
|
Ocean Reef Club Airport
|
Key Largo, Florida, United Sates
|
| OCC
|
SECO
|
Francisco de Orellana Airport
|
El Coca, Ecuador
|
| OCE
|
KOXB
|
Ocean City Municipal Airport
|
Ocean City, Maryland, United States
|
| OCF
|
KOCF
|
Ocala International Airport (Jim Taylor Field)
|
Ocala, Florida, United States
|
| OCH
|
KOCH
|
A. L. Mangham Jr. Regional Airport
|
Nacogdoches, Texas, United States
|
| OCJ
|
MKBS
|
Boscobel Aerodrome
|
Ocho Rios, Jamaica
|
| OCN
|
KOKB
|
Oceanside Municipal Airport
|
Oceanside, California, United States
|
| OCQ
|
KOCQ
|
J. Douglas Bake Memorial Airport
|
Oconto, Wisconsin, United States
|
| OCW
|
KOCW
|
Warren Field
|
Washington, North Carolina, United States
|
| ODE
|
EKOD
|
Odense Airport
|
Odense, Denmark
|
| ODH
|
EGVO
|
RAF Odiham
|
Odiham, United Kingdom
|
| ODO
|
KODO
|
Odessa-Schlemeyer Field
|
Odessa, Texas, United States
|
| ODS
|
UKOO
|
Odessa International Airport
|
Odessa, Ukraine
|
| ODX
|
KODX
|
Evelyn Sharp Field
|
Ord, Nebraska, United States
|
| OEA
|
KOEA
|
O'Neal Airport
|
Vincennes, Indiana, United States
|
| OEB
|
KOEB
|
Branch County Memorial Airport
|
Coldwater, Michigan, United States
|
| OEL
|
KOEL
|
Oakley Municipal Airport
|
Oakley, Kansas, United States
|
| OEM
|
SMPA
|
Vincent Fayks Airport
|
Paloemeu, Suriname
|
| OEO
|
KOEO
|
L. O. Simenstad Municipal Airport
|
Osceola, Wisconsin, United States
|
| OER
|
ESNO
|
Örnsköldsvik Airport
|
Örnsköldsvik, Sweden
|
| OFF
|
KOFF
|
Offutt AFB
|
Omaha, Nebraska, United States
|
| OFK
|
KOFK
|
Karl Stefan Memorial Airport
|
Norfolk, Nebraska, United States
|
| OFP
|
KOFP
|
Hanover County Municipal Airport
|
Richmond/Ashland, Virginia, United States
|
| OFU
|
|
Ofu Airport
|
Ofu, American Samoa
|
| OGA
|
KOGA
|
Searle Field
|
Ogallala, Nebraska, United States
|
| OGB
|
KOGB
|
Orangeburg Municipal Airport
|
Orangeburg, South Carolina, United States
|
| OGD
|
KOGD
|
Ogden-Hinckley Airport
|
Ogden, Utah, United States
|
| OGG
|
PHOG
|
Kahului Airport
|
Kahului, Hawaii, United States
|
| OGL
|
SYGO
|
Ogle Airport
|
Georgetown, Guyana
|
| OGM
|
KOGM
|
Ontonagon County Airport
|
Ontonagon, Michigan, United States
|
| OGR
|
FTTB
|
Bongor Airport
|
Bongor, Chad
|
| OGS
|
KOGS
|
Ogdensburg International Airport
|
Ogdensburg, New York, United States
|
| OHD
|
LWOH
|
Ohrid Airport
|
Ohrid, Republic of Macedonia
|
| OHH
|
|
Okha Airport
|
Okha, Russia
|
| OHT
|
OPKT
|
Kohat Airport
|
Kohat, Pakistan
|
| OIC
|
KOIC
|
Lt. Warren Eaton Airport
|
Norwich, New York, United States
|
| OIN
|
KOIN
|
Oberlin Municipal Airport
|
Oberlin, Kansas, United States
|
| OIR
|
RJEO
|
Okushiri Airport
|
Okushiri, Okushiri Island, Hokkaido, Japan
|
| OIT
|
RJFO
|
Oita Airport
|
Oita, Japan
|
| OJA
|
KOJA
|
Thomas P. Stafford Airport
|
Weatherford, Oklahoma, United States
|
| OJC
|
KOJC
|
Johnson County Executive Airport
|
Olathe, Kansas, United States
|
| OKA
|
ROAH
|
Naha Airport
|
Okinawa, Japan
|
| OKB
|
|
Orchid Beach
|
Fraser Island, Queensland,Australia
|
| OKC
|
KOKC
|
Will Rogers World Airport
|
Oklahoma City, Oklahoma, United States
|
| OKJ
|
RJOB
|
Okayama Airport
|
Okayama, Japan
|
| OKK
|
KOKK
|
Kokomo Municipal Airport
|
Kokomo, Indiana, United States
|
| OKM
|
KOKM
|
Okmulgee Regional Airport
|
Okmulgee, Oklahoma, United States
|
| OKS
|
KOKS
|
Garden County Airport
|
Oshkosh, Nebraska, United States
|
| OKZ
|
KOKZ
|
Kaolin Field
|
Sandersville, Georgia, United States
|
| OLB
|
LIEO
|
Olbia-Costa Smeralda Airport
|
Olbia, Italy
|
| OLD
|
KOLD
|
Old Town Municipal Airport and Seaplane Base (DeWitt Field)
|
Old Town, Maine, United States
|
| OLE
|
KOLE
|
Cattaraugus County-Olean Airport
|
Olean, New York, United States
|
| OLF
|
KOLF
|
L. M. Clayton Airport
|
Wolf Point, Montana, United States
|
| OLG
|
KOLG
|
Solon Springs Municipal Airport
|
Solon Springs, Wisconsin, United States
|
| OLH
|
|
Old Harbor Airport
|
Old Harbor, Alaska, United States
|
| OLM
|
KOLM
|
Olympia Airport
|
Olympia, Washington, United States
|
| OLS
|
KOLS
|
Nogales International Airport
|
Nogales, Arizona, United States
|
| OLU
|
KOLU
|
Columbus Municipal Airport (Nebraska)
|
Columbus, Nebraska, United States
|
| OLV
|
KOLV
|
Olive Branch Airport
|
Olive Branch, Mississippi, United States
|
| OLY
|
KOLY
|
Olney-Noble Airport
|
Olney-Noble, Illinois, United States
|
| OLZ
|
KOLZ
|
Oelwein Municipal Airport
|
Oelwein, Iowa, United States
|
| OMA
|
KOMA
|
Eppley Airfield
|
Omaha, Nebraska, United States
|
| OME
|
PAOM
|
Nome Airport
|
Nome, Alaska, United States
|
| OMH
|
KOMH
|
Orange County Airport
|
Orange, Virginia, United States
|
| OMI
|
OIAJ
|
Omidiyeh Air Base
|
Omidiyeh, Iran
|
| OMK
|
KOMK
|
Omak Airport
|
Omak, Washington, United States
|
| OMN
|
|
Osmanabad Airport
|
Osmanabad, India
|
| OMR
|
LROD
|
Oradea International Airport
|
Oradea, Romania
|
| OMS
|
UNOO
|
Omsk Airport
|
Omsk, Russia
|
| ONA
|
KONA
|
Winona Municipal Airport (Max Conrad Field)
|
Winona, Minnesota, United States
|
| ONJ
|
RJSR
|
Odate-Noshiro Airport
|
Kitaakita, Akita, Japan
|
| ONL
|
KONL
|
The O'Neill Municipal Airport (John L. Baker Field)
|
O'Neill, Nebraska, United States
|
| ONM
|
KONM
|
Socorro Municipal Airport
|
Socorro, New Mexico, United States
|
| ONO
|
KONO
|
Ontario Municipal Airport
|
Ontario, Oregon, United States
|
| ONP
|
KONP
|
Newport Municipal Airport
|
Newport, Oregon, United States
|
| ONT
|
KONT
|
Ontario International Airport
|
Ontario (near Los Angeles), California, United States
|
| ONX
|
MPEJ
|
Enrique Adolfo Jiménez Airport
|
Colón, Panama
|
| ONY
|
KONY
|
Olney Municipal Airport
|
Olney, Texas, United States
|
| ONZ
|
KONZ
|
Grosse Ile Municipal Airport
|
Detroit/Grosse Ile, Michigan, United States
|
| OOA
|
KOOA
|
Oskaloosa Municipal Airport
|
Oskaloosa, Iowa, United States
|
| OOK
|
PAOO
|
Toksook Bay Airport
|
Toksook Bay, Alaska, United States
|
| OOL
|
YBCG
|
Gold Coast Airport
|
Coolangatta, Queensland, Australia
|
| OPF
|
KOPF
|
Opa-locka Airport
|
Miami, Florida, United States
|
| OPL
|
KOPL
|
St. Landry Parish Airport (Ahart Field)
|
Opelousas, Louisiana, United States
|
| OPN
|
KOPN
|
Thomaston-Upson County Airport
|
Thomaston, Georgia, United States
|
| OPO
|
LPPR
|
Francisco Sá Carneiro Airport
|
Porto, Portugal
|
| OQN
|
KOQN
|
Brandywine Airport
|
West Chester, Pennsylvania, United States
|
| OQU
|
KOQU
|
Quonset State Airport
|
North Kingstown, Rhode Island, United States
|
| OQW
|
KOQW
|
Maquoketa Municipal Airport
|
Maquoketa, Iowa, United States
|
| ORB
|
ESOE
|
Örebro Airport
|
Örebro, Sweden
|
| ORC
|
KORC
|
Orange City Municipal Airport
|
Orange City, Iowa, United States
|
| ORD
|
KORD
|
O'Hare International Airport (formerly Orchard Depot Field)
|
Chicago, Illinois, United States
|
| ORE
|
KORE
|
Orange Municipal Airport
|
Orange, Massachusetts, United States
|
| ORF
|
KORF
|
Norfolk International Airport
|
Norfolk, Virginia (near Virginia Beach and Williamsburg), United States
|
| ORG
|
KORG
|
Orange County Airport (Texas)
|
Orange, Texas, United States
|
| ORG
|
SMZO
|
Zorg en Hoop Airport
|
Paramaribo, Suriname
|
| ORH
|
KORH
|
Worcester Regional Airport
|
Worcester, Massachusetts, United States
|
| ORI
|
KORI
|
Port Lions Airport
|
Port Lions, Alaska, United States
|
| ORJ
|
SYDR
|
Orinduik Airport
|
Orinduik, Guyana
|
| ORK
|
EICK
|
Cork International Airport
|
Cork, Ireland
|
| ORL
|
KORL
|
Orlando Executive Airport
|
Orlando, Florida, United States
|
| ORM
|
EGBK
|
Sywell Aerodrome
|
Northampton / Peterborough, United Kingdom
|
| ORS
|
|
Waterport Airport
|
Orpheus, Queensland, Australia
|
| ORT
|
PAOR
|
Northway Airport
|
Northway, Alaska, United States
|
| ORV
|
PFNO
|
Robert (Bob) Curtis Memorial Airport (FAA: D76)
|
Noorvik, Alaska, United States
|
| ORY
|
LFPO
|
Orly International Airport
|
Paris-Orly, Paris, France
|
| OSA
|
|
All Airports
|
Osaka, Japan
|
| OSC
|
KOSC
|
Oscoda-Wurtsmith Airport
|
Oscoda, Michigan, United States
|
| OSD
|
ESNZ
|
Åre Östersund Airport
|
Östersund, Sweden
|
| OSH
|
KOSH
|
Wittman Regional Airport
|
Oshkosh, Wisconsin, United States
|
| OSL
|
ENGM
|
Oslo Airport, Gardermoen
|
Ullensaker (near Oslo), Norway
|
| OSR
|
LKMT
|
Ostrava-Mosnov International Airport
|
Ostrava, Czech Republic
|
| OSS
|
UAFO
|
Osh Airport
|
Osh, Kyrgyzstan
|
| OST
|
EBOS
|
Ostend-Bruges International Airport
|
Flanders, Belgium
|
| OSU
|
KOSU
|
Ohio State University Airport
|
Columbus, Ohio, United States
|
| OSX
|
KOSX
|
Kosciusko-Attala County Airport
|
Kosciusko, Mississippi, United States
|
| OSY
|
ENNM
|
Namsos Airport, Høknesøra
|
Namsos, Norway
|
| OTC
|
FTTL
|
Bol Airport
|
Bol, Chad
|
| OTG
|
KOTG
|
Worthington Municipal Airport
|
Worthington, Minnesota, United States
|
| OTH
|
KOTH
|
North Bend Municipal Airport
|
North Bend, Oregon, United States
|
| OTL
|
GQNB
|
Boutilimit Airport
|
Boutilimit, Mauritania
|
| OTM
|
KOTM
|
Ottumwa Industrial Airport
|
Ottumwa, Iowa, United States
|
| OTN
|
KOTN
|
Ed-Air Airport
|
Oaktown, Indiana, United States
|
| OTP
|
LROP
|
Henri Coanda International Airport
|
Otopeni (near Bucharest), Romania
|
| OTR
|
MRCC
|
Coto 47 Airport
|
Coto 47, Costa Rica
|
| OTZ
|
PAOT
|
Ralph Wien Memorial Airport
|
Kotzebue, Alaska, United States
|
| OUA
|
DFFD
|
Ouagadougou Airport
|
Ouagadougou, Burkina Faso
|
| OUD
|
GMFO
|
Oujda Angads Airport
|
Oujda, Morocco
|
| OUG
|
DFCC
|
Ouahigouya Airport
|
Ouahigouya, Burkina Faso
|
| OUL
|
EFOU
|
Oulu Airport
|
Oulu, Finland
|
| OUM
|
|
Oum Hadjer Airport
|
Oum Hadjer, Chad
|
| OUN
|
KOUN
|
University of Oklahoma Westheimer Airport
|
Norman, Oklahoma, United States
|
| OUR
|
FKKI
|
Batouri Airport
|
Batouri, Cameroon
|
| OUT
|
FTTS
|
Bousso Airport
|
Bousso, Chad
|
| OUZ
|
GQPZ
|
Tazadit Airport
|
Zouerate, Mauritania
|
| OVB
|
UNNT
|
Novosibirsk Tolmachevo Airport
|
Novosibirsk, Russia
|
| OVD
|
LEAS
|
Asturias Airport (Oviedo Airport)
|
Oviedo, Asturias, Spain
|
| OVE
|
KOVE
|
Oroville Municipal Airport
|
Oroville, California, United States
|
| OVL
|
KOVL
|
Olivia Regional Airport
|
Olivia, Minnesota, United States
|
| OVO
|
KOVO
|
North Vernon Airport
|
North Vernon, Indiana, United States
|
| OWA
|
KOWA
|
Owatonna Degner Regional Airport
|
Owatonna, Minnesota, United States
|
| OWB
|
KOWB
|
Owensboro-Daviess County Airport
|
Owensboro, Kentucky, United States
|
| OWD
|
KOWD
|
Norwood Memorial Airport
|
Norwood, Massachusetts, United States
|
| OWI
|
KOWI
|
Ottawa Municipal Airport
|
Ottawa, Kansas, United States
|
| OWK
|
KOWK
|
Central Maine Airport of Norridgewock
|
Norridgewock, Maine, United States
|
| OWX
|
KOWX
|
Putnam County Airport
|
Ottawa, Ohio, United States
|
| OXB
|
GGOV
|
Osvaldo Vieiro International Airport
|
Bissau, Guinea-Bissau
|
| OXC
|
KOXC
|
Waterbury-Oxford Airport
|
Oxford, Connecticut, United States
|
| OXD
|
KOXD
|
Miami University Airport
|
Oxford, Ohio, United States
|
| OXI
|
KOXI
|
Starke County Airport
|
Knox, Indiana, United States
|
| OXR
|
KOXR
|
Oxnard Airport
|
Oxnard, California, United States
|
| OXV
|
KOXV
|
Knoxville Municipal Airport
|
Knoxville, Iowa, United States
|
| OYK
|
SBOI
|
Oiapoque Airport
|
Oiapoque, Amapa, Brasil
|
| OZA
|
KOZA
|
Ozona Municipal Airport
|
Ozona, Texas, United States
|
| OZC
|
RPMO
|
Labo Airport
|
Ozamiz City, Philippines
|
| OZR
|
KOZR
|
Cairns Army Airfield (Fort Rucker)
|
Fort Rucker/Ozark, Alabama, United States
|
| OZW
|
KOZW
|
Livingston County Airport
|
Howell, Michigan, United States
|
| OZZ
|
GMMZ
|
Ouarzazate Airport
|
Ouarzazate, Morocco
|