Oahu see Honolulu International Airport, United States
Oakland International Airport, United States
Oaxaca Airport, Mexico
Obihiro - Tokachi Obihiro Airport, Japan
Ocean City see Salisbury/Ocean City Regional Airport, United States
Octeville Airport see Le Havre/Octeville Aeroport, France
Odense Airport, Denmark
Odessa Airport, Ukraine
O´Hare Airport see Chicago - O´Hare Airport, United States
Ohrid Airport, Macedonia
Oita Airport, Japan
Okayama Airport, Japan
Okecie Airport see Warsaw - Frederic Chopin Airport, Poland
Oklahoma City-Will Rogers World Airport, United States
Olbia-Costa Smerelda Airport, Italy
Omaha-Eppley Airfield, United States
Oneida County Airport see Rhinelander - Oneida County Airport, United States
Ontario Int´l Airport, United States
Oporto - Francisco Sá Carneiro Airport, Portugal
Orange County see Santa Ana - John Wayne Airport, United States
Örebro Airport, Sweden
Orio Al Serio Airport see Milan - Orio Al Serio Airport, Italy
Orkney Is - Eday Airstrip, United Kingdom
Orkney Is.-Kirkwall Airport see Kirkwall Airport, United Kingdom
Orkney Is - N Ronaldsay Airstrip, United Kingdom
Orlando International Airport, United States
Orlando Sanford International Airport, United States
Orly Airport see Paris - Orly Airport, France
Örnsköldsvik Airport, Sweden
Osaka - Itami International Airport, Japan
Osaka - Kansai International Airport, Japan
Osijek Airport, Croatia
Oslo - Gardermoen Airport, Norway
Osorno Aerodrome - Cañal Bajo, Chile
Ossun Airport see Tarbes-Lourdes-Pyrenées Airport, France
Ostend-Bruges International Airport, Belgium
Östersund Airport, Sweden
Ostrava Int´l Airport, Czech Republic
Osvaldo Vieira Airport see Bissau - Osvaldo Vieira Airport, Guinea Bissau
Otopeni Airport see Bucharest - Henri Coanda International Airport, Romania
Ottawa Int´l Airport, Canada
Ouagadougou Airport, Burkina Faso
Ouargla Airport, Algeria
Ouarzazate Airport, Morocco
Oujda Angads Airport, Morocco
Oulu Airport, Finland
Outagamie County Airport see Appleton/Outagamie County Regional Airport, United States
Owen Roberts Airport see Grand Cayman-Owen Roberts Int´l Airport, Carib,Cayman Islands
Oxford Airport, United Kingdom