List of airports United States (USA)

Airport name	IATA code
O Neal Field	-	More info»
One Grand Field	-	More info»
One Oak Airport	-	More info»
Oneonta Municipal Airport	-	More info»
One Sixty Four Place Airport	-	More info»
Onida Municipal Airport	-	More info»
Onion Crest Airpark	-	More info»
Onley Airport	-	More info»
Ontario Municipal Airport	-	More info»
On the Rocks Airport	-	More info»
Ontonagon County Schuster Field	-	More info»
Onyon Airport	-	More info»
Oolenoy Valley Airport	-	More info»
Open A-1 Ranch Airport	-	More info»
Opheim Airport	-	More info»
Ophir Airport	-	More info»
Orange City Municipal Airport	-	More info»
Orange County Airport	-	More info»
Orange Grove Naval Auxiliary Landing Field	-	More info»
Orange Hill Airport	-	More info»
Orange Municipal Airport	-	More info»
Orange Poultry Farm Airport	-	More info»
Orchard Ranch Airport	-	More info»
Oreck Airport	-	More info»
Oregon Sky Ranch Airport	-	More info»
O'Riley Airport	-	More info»
Orlampa Inc Airport	-	More info»
Orlando Apopka Airport	-	More info»
Orlando North Airpark	-	More info»
Orleans Airport	-	More info»
Orme School Airport	-	More info»
Ormond Beach Municipal Airport	-	More info»
Orofino Municipal Airport	-	More info»
Orogrande Airport	-	More info»
Oroville Municipal Airport	-	More info»
Orr Airport	-	More info»
Orr Field	-	More info»
Orr-Port Airport	-	More info»
Orr Ranch Airport	-	More info»
Orr Regional Airport	-	More info»
Orson Field	-	More info»
Orthodontic Strip	-	More info»
Ortonville Municipal Martinson Field	-	More info»
Orum Aerodrome	-	More info»
Osage City Municipal Airport	-	More info»
Osage Municipal Airport	-	More info»
Osborn Airfield	-	More info»
Osborne Airport	-	More info»
Osborne Municipal Airport	-	More info»
Osceola Municipal Airport	-	More info»
Oscoda County Airport	-	More info»
Oscoda Wurtsmith Airport	-	More info»
Oscura Army Air Field Aux Airport	-	More info»
Oshkosh Sky Ranch Airport	-	More info»
Oskaloosa Municipal Airport	-	More info»
Oso Canyon Airport	-	More info»
Oswego County Airport	-	More info»
Oswego Municipal Airport	-	More info»
O S Wyatt Airport	-	More info»
Otero Mill Airport	-	More info»
Othello Municipal Airport	-	More info»
O'Toole Ranch Airport	-	More info»
Ottawa Executive Airport	-	More info»
Ottawa Municipal Airport	-	More info»
Otterbach Farm Airport	-	More info»
Otterson Ranch Airport	-	More info»
Ott Farms Airport	-	More info»
Ottman Landing Airport	-	More info»
Otto-Gibbons Airport	-	More info»
Our Domain Airport	-	More info»
Ousel Falls Airport	-	More info»
Outback Airport	-	More info»
Outback Ranch Airstrip	-	More info»
Outlaw Field	-	More info»
Outlaw Flyers Airport	-	More info»
Ouzinkie Airport	-	More info»
Overmiller Airport	-	More info»
Over the Hill Airport	-	More info»
Overton Private Airport	-	More info»
Ovid Airport	-	More info»
Owasco Airport	-	More info»
Owatonna Degner Regional Airport	-	More info»
Owen Air Park	-	More info»
Owen Bros Airport	-	More info»
Owen Field	-	More info»
Owen Ranches Inc Airport	-	More info»
Owens Field	-	More info»
Owen-Withee Airport	-	More info»
Owl Canyon Gliderport	-	More info»
Owosso Community Airport	-	More info»
Owyhee Airport	-	More info»
Owyhee Reservoir State Airport	-	More info»
Oxbow Ranch Airport	-	More info»
Oxford County Regional Airport	-	More info»
Oxford Municipal Airport	-	More info»
Ox Meadows Airport	-	More info»
Oyster Cove Airport	-	More info»
Oz Airport	-	More info»
Ozark Aerodrome	-	More info»
Ozark Franklin County Airport	-	More info»