| Cadaval to Opwijk | 1,034.44 mi (1,664.78 km) |
| Cadaval to Ostend | 1,011.41 mi (1,627.70 km) |
| Cadaval to Oud-Heverlee | 1,042.56 mi (1,677.84 km) |
| Cadaval to Oud-Turnhout | 1,075.94 mi (1,731.56 km) |
| Cadaval to Oudenaarde | 1,011.22 mi (1,627.41 km) |
| Cadaval to Oudenburg | 1,011.39 mi (1,627.67 km) |
| Cadaval to Oupeye | 1,067.51 mi (1,717.99 km) |
| Cadaval to Overijse | 1,036.00 mi (1,667.28 km) |
| Cadaval to Overpelt | 1,084.38 mi (1,745.13 km) |
| Cadaval to Paal | 1,068.24 mi (1,719.17 km) |
| Cadaval to Peer | 1,081.50 mi (1,740.51 km) |
| Cadaval to Pepinster | 1,066.64 mi (1,716.59 km) |
| Cadaval to Peruwelz | 993.83 mi (1,599.41 km) |
| Cadaval to Perwez | 1,037.07 mi (1,669.00 km) |
| Cadaval to Philippeville | 1,008.37 mi (1,622.82 km) |
