| Sankt Valentin to Ostend | 559.42 mi (900.29 km) |
| Sankt Valentin to Oud-Heverlee | 478.82 mi (770.59 km) |
| Sankt Valentin to Oud-Turnhout | 477.96 mi (769.20 km) |
| Sankt Valentin to Oudenaarde | 523.54 mi (842.55 km) |
| Sankt Valentin to Oudenburg | 555.20 mi (893.51 km) |
| Sankt Valentin to Oupeye | 435.72 mi (701.22 km) |
| Sankt Valentin to Overijse | 483.26 mi (777.73 km) |
| Sankt Valentin to Overpelt | 458.02 mi (737.11 km) |
| Sankt Valentin to Paal | 463.04 mi (745.20 km) |
| Sankt Valentin to Peer | 454.25 mi (731.04 km) |
| Sankt Valentin to Pepinster | 425.24 mi (684.35 km) |
| Sankt Valentin to Peruwelz | 518.21 mi (833.97 km) |
| Sankt Valentin to Perwez | 468.17 mi (753.44 km) |
| Sankt Valentin to Philippeville | 471.62 mi (759.01 km) |
| Sankt Valentin to Plombieres | 423.78 mi (682.01 km) |
