| Saint-Pierre-du-Mont to Opwijk | 536.29 mi (863.08 km) |
| Saint-Pierre-du-Mont to Ostend | 531.95 mi (856.10 km) |
| Saint-Pierre-du-Mont to Oud-Heverlee | 537.79 mi (865.48 km) |
| Saint-Pierre-du-Mont to Oud-Turnhout | 573.68 mi (923.26 km) |
| Saint-Pierre-du-Mont to Oudenaarde | 518.36 mi (834.22 km) |
| Saint-Pierre-du-Mont to Oudenburg | 530.32 mi (853.47 km) |
| Saint-Pierre-du-Mont to Oupeye | 552.56 mi (889.26 km) |
| Saint-Pierre-du-Mont to Overijse | 531.97 mi (856.12 km) |
| Saint-Pierre-du-Mont to Overpelt | 576.98 mi (928.56 km) |
| Saint-Pierre-du-Mont to Paal | 561.04 mi (902.90 km) |
| Saint-Pierre-du-Mont to Peer | 572.84 mi (921.90 km) |
| Saint-Pierre-du-Mont to Pepinster | 548.80 mi (883.21 km) |
| Saint-Pierre-du-Mont to Peruwelz | 497.00 mi (799.85 km) |
| Saint-Pierre-du-Mont to Perwez | 528.40 mi (850.37 km) |
| Saint-Pierre-du-Mont to Philippeville | 497.22 mi (800.20 km) |
