| South River to Nuth | 3,746.04 mi (6,028.67 km) |
| South River to Oegstgeest | 3,657.31 mi (5,885.87 km) |
| South River to Oirschot | 3,707.52 mi (5,966.68 km) |
| South River to Oisterwijk | 3,701.41 mi (5,956.84 km) |
| South River to Oldebroek | 3,707.22 mi (5,966.19 km) |
| South River to Oldenzaal | 3,751.11 mi (6,036.82 km) |
| South River to Ommen | 3,725.75 mi (5,996.02 km) |
| South River to Oosterend | 3,699.86 mi (5,954.34 km) |
| South River to Oosterhout | 3,686.19 mi (5,932.36 km) |
| South River to Oosterwolde | 3,708.91 mi (5,968.92 km) |
| South River to Oostzaan | 3,667.67 mi (5,902.54 km) |
| South River to Opmeer | 3,663.79 mi (5,896.30 km) |
| South River to Oss | 3,709.37 mi (5,969.66 km) |
| South River to Oud-Beijerland | 3,663.64 mi (5,896.05 km) |
| South River to Oudenbosch | 3,674.22 mi (5,913.09 km) |
