| Denizciler to Olympia Heights (Florida) | 6,472.11 mi (10,415.85 km) |
| Denizciler to Omaha (Nebraska) | 6,265.76 mi (10,083.77 km) |
| Denizciler to On Top of the World Designated Place (Florida) | 6,393.27 mi (10,288.97 km) |
| Denizciler to Onalaska (Wisconsin) | 5,971.06 mi (9,609.50 km) |
| Denizciler to Oneida (New York) | 5,464.43 mi (8,794.15 km) |
| Denizciler to Oneonta (New York) | 5,469.42 mi (8,802.17 km) |
| Denizciler to Ontario (California) | 7,269.91 mi (11,699.78 km) |
| Denizciler to Ontario (Oregon) | 6,615.02 mi (10,645.85 km) |
| Denizciler to Opa-locka (Florida) | 6,459.93 mi (10,396.25 km) |
| Denizciler to Opelika (Alabama) | 6,343.96 mi (10,209.61 km) |
| Denizciler to Opelousas (Louisiana) | 6,715.04 mi (10,806.82 km) |
| Denizciler to Orange (California) | 7,289.57 mi (11,731.42 km) |
| Denizciler to Orange (Texas) | 6,799.59 mi (10,942.88 km) |
| Denizciler to Orange City (Florida) | 6,358.83 mi (10,233.55 km) |
| Denizciler to Orangeburg (South Carolina) | 6,120.31 mi (9,849.68 km) |
