| West Little River to Opwijk | 4,615.69 mi (7,428.24 km) |
| West Little River to Ostend | 4,558.28 mi (7,335.84 km) |
| West Little River to Oud-Heverlee | 4,638.31 mi (7,464.63 km) |
| West Little River to Oud-Turnhout | 4,643.93 mi (7,473.68 km) |
| West Little River to Oudenaarde | 4,592.70 mi (7,391.24 km) |
| West Little River to Oudenburg | 4,562.30 mi (7,342.32 km) |
| West Little River to Oupeye | 4,681.80 mi (7,534.63 km) |
| West Little River to Overijse | 4,633.44 mi (7,456.80 km) |
| West Little River to Overpelt | 4,663.77 mi (7,505.61 km) |
| West Little River to Paal | 4,656.40 mi (7,493.75 km) |
| West Little River to Peer | 4,666.70 mi (7,510.33 km) |
| West Little River to Pepinster | 4,691.58 mi (7,550.37 km) |
| West Little River to Peruwelz | 4,597.05 mi (7,398.23 km) |
| West Little River to Perwez | 4,647.99 mi (7,480.21 km) |
| West Little River to Philippeville | 4,643.52 mi (7,473.03 km) |
