| River Edge to Opwijk | 3,641.21 mi (5,859.96 km) |
| River Edge to Ostend | 3,583.60 mi (5,767.25 km) |
| River Edge to Oud-Heverlee | 3,664.19 mi (5,896.94 km) |
| River Edge to Oud-Turnhout | 3,664.48 mi (5,897.41 km) |
| River Edge to Oudenaarde | 3,620.51 mi (5,826.64 km) |
| River Edge to Oudenburg | 3,587.90 mi (5,774.17 km) |
| River Edge to Oupeye | 3,706.94 mi (5,965.74 km) |
| River Edge to Overijse | 3,660.08 mi (5,890.33 km) |
| River Edge to Overpelt | 3,684.44 mi (5,929.54 km) |
| River Edge to Paal | 3,679.27 mi (5,921.21 km) |
| River Edge to Peer | 3,688.11 mi (5,935.44 km) |
| River Edge to Pepinster | 3,717.74 mi (5,983.12 km) |
| River Edge to Peruwelz | 3,628.25 mi (5,839.10 km) |
| River Edge to Perwez | 3,675.64 mi (5,915.36 km) |
| River Edge to Philippeville | 3,675.95 mi (5,915.87 km) |
