| Bois-Colombes to Opwijk | 165.21 mi (265.87 km) |
| Bois-Colombes to Ostend | 162.08 mi (260.84 km) |
| Bois-Colombes to Oud-Heverlee | 170.06 mi (273.68 km) |
| Bois-Colombes to Oud-Turnhout | 204.78 mi (329.56 km) |
| Bois-Colombes to Oudenaarde | 146.09 mi (235.10 km) |
| Bois-Colombes to Oudenburg | 159.88 mi (257.30 km) |
| Bois-Colombes to Oupeye | 194.77 mi (313.45 km) |
| Bois-Colombes to Overijse | 163.69 mi (263.44 km) |
| Bois-Colombes to Overpelt | 211.46 mi (340.32 km) |
| Bois-Colombes to Paal | 195.28 mi (314.27 km) |
| Bois-Colombes to Peer | 208.34 mi (335.28 km) |
| Bois-Colombes to Pepinster | 195.12 mi (314.02 km) |
| Bois-Colombes to Peruwelz | 125.13 mi (201.38 km) |
| Bois-Colombes to Perwez | 163.75 mi (263.52 km) |
| Bois-Colombes to Philippeville | 135.30 mi (217.75 km) |
