| New River to Opwijk | 5,414.54 mi (8,713.86 km) |
| New River to Ostend | 5,361.05 mi (8,627.77 km) |
| New River to Oud-Heverlee | 5,436.52 mi (8,749.23 km) |
| New River to Oud-Turnhout | 5,425.00 mi (8,730.70 km) |
| New River to Oudenaarde | 5,400.39 mi (8,691.08 km) |
| New River to Oudenburg | 5,365.61 mi (8,635.11 km) |
| New River to Oupeye | 5,474.29 mi (8,810.03 km) |
| New River to Overijse | 5,434.37 mi (8,745.77 km) |
| New River to Overpelt | 5,443.65 mi (8,760.71 km) |
| New River to Paal | 5,443.79 mi (8,760.94 km) |
| New River to Peer | 5,448.68 mi (8,768.81 km) |
| New River to Pepinster | 5,486.48 mi (8,829.64 km) |
| New River to Peruwelz | 5,414.68 mi (8,714.09 km) |
| New River to Perwez | 5,450.89 mi (8,772.36 km) |
| New River to Philippeville | 5,461.29 mi (8,789.09 km) |
