| Skofljica to Olympia Heights (Florida) | 5,183.30 mi (8,341.72 km) |
| Skofljica to Omaha (Nebraska) | 5,052.55 mi (8,131.30 km) |
| Skofljica to On Top of the World Designated Place (Florida) | 5,106.21 mi (8,217.65 km) |
| Skofljica to Onalaska (Wisconsin) | 4,750.61 mi (7,645.37 km) |
| Skofljica to Oneida (New York) | 4,195.48 mi (6,751.98 km) |
| Skofljica to Oneonta (New York) | 4,197.40 mi (6,755.06 km) |
| Skofljica to Ontario (California) | 6,155.45 mi (9,906.24 km) |
| Skofljica to Ontario (Oregon) | 5,548.59 mi (8,929.60 km) |
| Skofljica to Opa-locka (Florida) | 5,171.11 mi (8,322.10 km) |
| Skofljica to Opelika (Alabama) | 5,066.07 mi (8,153.06 km) |
| Skofljica to Opelousas (Louisiana) | 5,446.77 mi (8,765.73 km) |
| Skofljica to Orange (California) | 6,175.76 mi (9,938.92 km) |
| Skofljica to Orange (Texas) | 5,534.82 mi (8,907.43 km) |
| Skofljica to Orange City (Florida) | 5,071.00 mi (8,160.98 km) |
| Skofljica to Orangeburg (South Carolina) | 4,837.14 mi (7,784.62 km) |
