| West Richland to Oerlinghausen | 4,982.46 mi (8,018.50 km) |
| West Richland to Oestrich-Winkel | 5,077.35 mi (8,171.21 km) |
| West Richland to Offenburg | 5,162.62 mi (8,308.44 km) |
| West Richland to Oftersheim | 5,127.99 mi (8,252.70 km) |
| West Richland to Ohrdruf | 5,097.54 mi (8,203.69 km) |
| West Richland to Ohringen | 5,160.90 mi (8,305.67 km) |
| West Richland to Olbernhau | 5,168.09 mi (8,317.24 km) |
| West Richland to Olching | 5,264.10 mi (8,471.75 km) |
| West Richland to Oldenburg | 4,904.98 mi (7,893.81 km) |
| West Richland to Oldenburg in Holstein | 4,901.27 mi (7,887.83 km) |
| West Richland to Olfen | 4,964.97 mi (7,990.35 km) |
| West Richland to Olpe | 5,015.64 mi (8,071.89 km) |
| West Richland to Olsberg | 5,012.94 mi (8,067.55 km) |
| West Richland to Oranienburg | 5,043.46 mi (8,116.66 km) |
| West Richland to Ortenberg | 5,083.65 mi (8,181.35 km) |
