| Spodnji Duplek to Olympia Heights (Florida) | 5,221.65 mi (8,403.44 km) |
| Spodnji Duplek to Omaha (Nebraska) | 5,068.92 mi (8,157.64 km) |
| Spodnji Duplek to On Top of the World Designated Place (Florida) | 5,140.91 mi (8,273.50 km) |
| Spodnji Duplek to Onalaska (Wisconsin) | 4,767.88 mi (7,673.16 km) |
| Spodnji Duplek to Oneida (New York) | 4,222.44 mi (6,795.35 km) |
| Spodnji Duplek to Oneonta (New York) | 4,225.27 mi (6,799.91 km) |
| Spodnji Duplek to Ontario (California) | 6,160.88 mi (9,914.97 km) |
| Spodnji Duplek to Ontario (Oregon) | 5,548.53 mi (8,929.50 km) |
| Spodnji Duplek to Opa-locka (Florida) | 5,209.39 mi (8,383.70 km) |
| Spodnji Duplek to Opelika (Alabama) | 5,096.14 mi (8,201.44 km) |
| Spodnji Duplek to Opelousas (Louisiana) | 5,473.97 mi (8,809.51 km) |
| Spodnji Duplek to Orange (California) | 6,181.14 mi (9,947.58 km) |
| Spodnji Duplek to Orange (Texas) | 5,561.15 mi (8,949.80 km) |
| Spodnji Duplek to Orange City (Florida) | 5,106.45 mi (8,218.04 km) |
| Spodnji Duplek to Orangeburg (South Carolina) | 4,869.39 mi (7,836.53 km) |
