| West Richland to Nuth | 4,971.63 mi (8,001.07 km) |
| West Richland to Oegstgeest | 4,865.11 mi (7,829.64 km) |
| West Richland to Oirschot | 4,924.22 mi (7,924.77 km) |
| West Richland to Oisterwijk | 4,917.04 mi (7,913.21 km) |
| West Richland to Oldebroek | 4,886.92 mi (7,864.73 km) |
| West Richland to Oldenzaal | 4,920.16 mi (7,918.23 km) |
| West Richland to Ommen | 4,896.15 mi (7,879.59 km) |
| West Richland to Oosterend | 4,860.40 mi (7,822.06 km) |
| West Richland to Oosterhout | 4,904.88 mi (7,893.64 km) |
| West Richland to Oosterwolde | 4,866.72 mi (7,832.22 km) |
| West Richland to Oostzaan | 4,862.08 mi (7,824.76 km) |
| West Richland to Opmeer | 4,849.12 mi (7,803.90 km) |
| West Richland to Oss | 4,915.04 mi (7,909.99 km) |
| West Richland to Oud-Beijerland | 4,883.49 mi (7,859.21 km) |
| West Richland to Oudenbosch | 4,899.20 mi (7,884.49 km) |
