| IATA ^ | ICAO | City | Region | State | Country | YOW | | Ottawa | | Ontario | Canada |
YOO | | Oshawa | | Ontario | Canada |
XOK | | Oakville | | Ontario | Canada |
VDA | | Ovda | | | Israel |
OZZ | | Ouarzazate | | | Morocco |
OXR | | Oxnard/Ventura | | CALIFORNIA | USA |
OWB | | Owensboro | | KENTUCKY | USA |
OUL | | Oulu | | | Finland |
OUA | | Ouagadougou | | | Burkina Faso |
OTM | | Ottumwa | | IOWA | USA |
OSH | | Oshkosh | | WISCONSIN | USA |
OSD | | Ostersund | | | Sweden |
OSA | | Osaka | | | Japan |
ORN | | Oran | | | Algeria |
ORL | | Orlando | | FLORIDA | USA |
ORB | | Orebro | | | Sweden |
ONT | | Ontario | | CALIFORNIA | USA |
OMR | | Oradea | | | Romania |
OMA | | Omaha | | NEBRASKA | USA |
OLM | | Olympia | | WASHINGTON | USA |
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