| West Rancho Dominguez to Oerlinghausen | 5,693.92 mi (9,163.48 km) |
| West Rancho Dominguez to Oestrich-Winkel | 5,775.17 mi (9,294.23 km) |
| West Rancho Dominguez to Offenburg | 5,851.50 mi (9,417.09 km) |
| West Rancho Dominguez to Oftersheim | 5,824.96 mi (9,374.36 km) |
| West Rancho Dominguez to Ohrdruf | 5,811.77 mi (9,353.15 km) |
| West Rancho Dominguez to Ohringen | 5,861.13 mi (9,432.58 km) |
| West Rancho Dominguez to Olbernhau | 5,892.65 mi (9,483.30 km) |
| West Rancho Dominguez to Olching | 5,967.48 mi (9,603.73 km) |
| West Rancho Dominguez to Oldenburg | 5,620.91 mi (9,045.98 km) |
| West Rancho Dominguez to Oldenburg in Holstein | 5,633.47 mi (9,066.19 km) |
| West Rancho Dominguez to Olfen | 5,669.67 mi (9,124.46 km) |
| West Rancho Dominguez to Olpe | 5,718.37 mi (9,202.84 km) |
| West Rancho Dominguez to Olsberg | 5,720.29 mi (9,205.92 km) |
| West Rancho Dominguez to Oranienburg | 5,777.36 mi (9,297.76 km) |
| West Rancho Dominguez to Ortenberg | 5,788.11 mi (9,315.07 km) |
