| Foca to Olympia Heights (Florida) | 5,963.73 mi (9,597.70 km) |
| Foca to Omaha (Nebraska) | 5,845.93 mi (9,408.11 km) |
| Foca to On Top of the World Designated Place (Florida) | 5,896.55 mi (9,489.58 km) |
| Foca to Onalaska (Wisconsin) | 5,545.40 mi (8,924.46 km) |
| Foca to Oneida (New York) | 4,995.71 mi (8,039.82 km) |
| Foca to Oneonta (New York) | 4,997.21 mi (8,042.24 km) |
| Foca to Ontario (California) | 6,919.48 mi (11,135.83 km) |
| Foca to Ontario (Oregon) | 6,291.58 mi (10,125.33 km) |
| Foca to Opa-locka (Florida) | 5,951.78 mi (9,578.47 km) |
| Foca to Opelika (Alabama) | 5,863.96 mi (9,437.13 km) |
| Foca to Opelousas (Louisiana) | 6,246.80 mi (10,053.25 km) |
| Foca to Orange (California) | 6,939.61 mi (11,168.23 km) |
| Foca to Orange (Texas) | 6,335.17 mi (10,195.47 km) |
| Foca to Orange City (Florida) | 5,859.64 mi (9,430.18 km) |
| Foca to Orangeburg (South Carolina) | 5,632.24 mi (9,064.22 km) |
