| River Edge to Nuth | 3,711.07 mi (5,972.39 km) |
| River Edge to Oegstgeest | 3,622.09 mi (5,829.19 km) |
| River Edge to Oirschot | 3,672.43 mi (5,910.21 km) |
| River Edge to Oisterwijk | 3,666.30 mi (5,900.34 km) |
| River Edge to Oldebroek | 3,671.83 mi (5,909.24 km) |
| River Edge to Oldenzaal | 3,715.69 mi (5,979.82 km) |
| River Edge to Ommen | 3,690.32 mi (5,938.99 km) |
| River Edge to Oosterend | 3,664.31 mi (5,897.14 km) |
| River Edge to Oosterhout | 3,651.10 mi (5,875.87 km) |
| River Edge to Oosterwolde | 3,673.36 mi (5,911.70 km) |
| River Edge to Oostzaan | 3,632.35 mi (5,845.70 km) |
| River Edge to Opmeer | 3,628.39 mi (5,839.33 km) |
| River Edge to Oss | 3,674.19 mi (5,913.04 km) |
| River Edge to Oud-Beijerland | 3,628.52 mi (5,839.54 km) |
| River Edge to Oudenbosch | 3,639.16 mi (5,856.66 km) |
