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- Oakland County International Airport [KPTK]
- Oakland International Airport [KOAK]
Information about Oakland.
- Oakland Troy Airport [7D2]
- Ocean Springs Airport [5R2]
In Ocean Springs, MS.
- Oceano Airport [L52]
In CA (L52). "Your Recreation Destination".
- Ogden - Hinckley Airport [KOGD]
Utah's second busiest airport.
- O'Hare International Airport [KORD]
Information about Chicago's O'Hare airport, Chicago, IL.
- Ohrid Airport [LWOH]
- Oklahoma City International Airport (official) [KOKC]
Information about Will Rogers World Airport.
- Olympia Regional Airport [KOLM]
- Ontario International Airport [KONT]
Information about Ontario Airport, 35 miles east of L.A.
- Orange County Airport [KMGJ]
Montgomery, NY. Feul, hangars & tiedowns.
- Orio al Serio [LIME]
Web Site of International Airport of Milano - Orio al Serio (BGY).
- Orlando International Airport [KMCO]
Information about Orlando International in Florida.
- Orlando Sanford Airport [KSFB]
The official site.
- Paris Orly Airport [LFPO]
- Oshawa Municipal Airport [CYOO]
Information on facilities, services, and business located at the Oshawa Municipal
Airport, Ontario, Canada.
- Oslo International Airport (OSL) [ENGM]
- Oostend Airport International [EBOS]
Oostend airport in Belgium is the fastest growing all-cargo airport in Europe.
- Oostend Airport International (Unofficial) [EBOS]
- Ottawa International Airport [CYOW]
Information for Ottawa's airport.
- Oxford Airport [43M]
- Oxnard Airport [KOXR]