| Saint-Quentin to Opwijk | 86.76 mi (139.63 km) |
| Saint-Quentin to Ostend | 96.51 mi (155.32 km) |
| Saint-Quentin to Oud-Heverlee | 91.29 mi (146.91 km) |
| Saint-Quentin to Oud-Turnhout | 125.82 mi (202.48 km) |
| Saint-Quentin to Oudenaarde | 70.56 mi (113.55 km) |
| Saint-Quentin to Oudenburg | 93.07 mi (149.79 km) |
| Saint-Quentin to Oupeye | 119.81 mi (192.82 km) |
| Saint-Quentin to Overijse | 84.83 mi (136.53 km) |
| Saint-Quentin to Overpelt | 132.99 mi (214.02 km) |
| Saint-Quentin to Paal | 116.85 mi (188.06 km) |
| Saint-Quentin to Peer | 130.18 mi (209.50 km) |
| Saint-Quentin to Pepinster | 122.39 mi (196.97 km) |
| Saint-Quentin to Peruwelz | 47.99 mi (77.24 km) |
| Saint-Quentin to Perwez | 86.22 mi (138.76 km) |
| Saint-Quentin to Philippeville | 61.12 mi (98.36 km) |
