- Outlaw Flyers AirportIdent: 16XSServes: Conroe
- Over the Hill AirportIdent: 12SCServes: Elgin
- Overland-Lohse FieldIdent: NA92Serves: Alamo
- Overton Private AirportIdent: 4LA8Serves: Clinton
- Ovid AirportIdent: D82Serves: Ovid
- Owasco AirportIdent: K2N4Serves: Moravia
- Owatonna Degner Regional AirportIdent: KOWAServes: Owatonna
- Owen Air ParkIdent: 0KY0Serves: Owenton
- Owen Bros AirportIdent: MT01Serves: Geraldine
- Owen FieldIdent: 20AKServes: Big Lake
- Owen FieldIdent: 4XA3Serves: Clyde
- Owen FieldIdent: KH58Serves: Seymour
- Owen-Withee AirportIdent: WS42Serves: Withee
- Owl Canyon GliderportIdent: 4CO2Serves: Wellington
- Owosso Community AirportIdent: KRNPServes: Owosso
- Owyhee AirportIdent: K10UServes: Owyhee
- Owyhee Reservoir State AirportIdent: 28UServes: Owyhee
- Ox Meadows AirportIdent: 04WAServes: Spokane
- Oxbow AirportIdent: OR12Serves: Homestead
- Oxbow Ranch AirportIdent: OR17Serves: Prairie City
- Oxford County Regional AirportIdent: K81BServes: Oxford
- Oz AirportIdent: 2KY4Serves: Elizabethtown
- Ozark AerodromeIdent: AR11Serves: Rogers
- Ozark Franklin County AirportIdent: K7M5Serves: Ozark
- Ozark Skies AirparkIdent: 05ARServes: Kingston
- Ozark-Blackwell FieldIdent: K71JServes: Ozark
- Ozaukee AirportIdent: 9WN3Serves: Port Washington
- Ozona Municipal AirportIdent: KOZAServes: Ozona
- P & R AirportIdent: 8NE2Serves: Cedar Creek
- P and R FieldIdent: ID26Serves: Mayfield
- P W Johnson Memorial AirportIdent: 75DServes: New Martinsville
- P-K Ranch AirportIdent: 60TXServes: Bellville
- P-L Ranch AirportIdent: US-0877Serves: Lacey
- P.J. Killian AirportIdent: 48ISServes: Lexington
- Pabst Blue Ribbon AirportIdent: PN16Serves: Evans City
- Pace AirportIdent: VA02Serves: Ridgeway
- Pace AirstripIdent: MS29Serves: Canton
- Pacer FieldIdent: 5OK4Serves: Washington
- Paces South Farms AirportIdent: 82GAServes: Wadley
- Pacific City State AirportIdent: KPFCServes: Pacific City
- Packer AirportIdent: 5E9Serves: Radnor
- Packwood AirportIdent: 55SServes: Packwood
- Paddock FieldIdent: 41WIServes: Elkhorn
- Padgham FieldIdent: K35DServes: Allegan
- Page AirportIdent: 67WAServes: Walla Walla
- Pagel's FieldIdent: 67MNServes: Atwater
- Pageland AirportIdent: KPYGServes: Pageland
- Paine's AirportIdent: 98OHServes: Geneva
- Paint Creek Ranch AirportIdent: 09MTServes: Sula
- Painter FieldIdent: US-4755Serves: Painter
- Paintsville-Prestonsburg-Combs FieldIdent: 9KY9Serves: Paintsville
- Pair-A-Dice AirportIdent: US-3282Serves: Albany
- Paisano Ranch AirportIdent: 91TXServes: Calliham
- Paisley AirportIdent: K22SServes: Paisley
- Paiute Meadows AirportIdent: 02NVServes: Winnemucca
- Palacios Municipal AirportIdent: KPSXServes: Palacios
- Palatka Municipal - Lt. Kay Larkin FieldIdent: K28JServes: Palatka
- Pale Morning Dun Ranch AirportIdent: 9MT0Serves: Fort Smith
- Palestine Municipal AirportIdent: KPSNServes: Palestine
- Palm Beach County Glades AirportIdent: KPHKServes: Pahokee