| Sombor to Olympia Heights (Florida) | 5,389.46 mi (8,673.51 km) |
| Sombor to Omaha (Nebraska) | 5,219.20 mi (8,399.49 km) |
| Sombor to On Top of the World Designated Place (Florida) | 5,307.17 mi (8,541.06 km) |
| Sombor to Onalaska (Wisconsin) | 4,919.32 mi (7,916.89 km) |
| Sombor to Oneida (New York) | 4,383.62 mi (7,054.75 km) |
| Sombor to Oneonta (New York) | 4,387.18 mi (7,060.49 km) |
| Sombor to Ontario (California) | 6,295.76 mi (10,132.05 km) |
| Sombor to Ontario (Oregon) | 5,674.98 mi (9,133.00 km) |
| Sombor to Opa-locka (Florida) | 5,377.18 mi (8,653.73 km) |
| Sombor to Opelika (Alabama) | 5,259.54 mi (8,464.41 km) |
| Sombor to Opelousas (Louisiana) | 5,635.11 mi (9,068.83 km) |
| Sombor to Orange (California) | 6,315.95 mi (10,164.54 km) |
| Sombor to Orange (Texas) | 5,721.53 mi (9,207.91 km) |
| Sombor to Orange City (Florida) | 5,273.08 mi (8,486.21 km) |
| Sombor to Orangeburg (South Carolina) | 5,034.28 mi (8,101.89 km) |
