| Skofja Loka to Olympia Heights (Florida) | 5,166.47 mi (8,314.62 km) |
| Skofja Loka to Omaha (Nebraska) | 5,034.33 mi (8,101.97 km) |
| Skofja Loka to On Top of the World Designated Place (Florida) | 5,088.95 mi (8,189.87 km) |
| Skofja Loka to Onalaska (Wisconsin) | 4,732.40 mi (7,616.06 km) |
| Skofja Loka to Oneida (New York) | 4,177.60 mi (6,723.19 km) |
| Skofja Loka to Oneonta (New York) | 4,179.56 mi (6,726.36 km) |
| Skofja Loka to Ontario (California) | 6,137.40 mi (9,877.19 km) |
| Skofja Loka to Ontario (Oregon) | 5,530.81 mi (8,900.98 km) |
| Skofja Loka to Opa-locka (Florida) | 5,154.26 mi (8,294.98 km) |
| Skofja Loka to Opelika (Alabama) | 5,048.40 mi (8,124.61 km) |
| Skofja Loka to Opelousas (Louisiana) | 5,428.91 mi (8,736.98 km) |
| Skofja Loka to Orange (California) | 6,157.70 mi (9,909.87 km) |
| Skofja Loka to Orange (Texas) | 5,516.90 mi (8,878.60 km) |
| Skofja Loka to Orange City (Florida) | 5,053.81 mi (8,133.33 km) |
| Skofja Loka to Orangeburg (South Carolina) | 4,819.64 mi (7,756.46 km) |
