| Saint-Sebastien-sur-Loire to Opwijk | 365.32 mi (587.93 km) |
| Saint-Sebastien-sur-Loire to Ostend | 341.72 mi (549.95 km) |
| Saint-Sebastien-sur-Loire to Oud-Heverlee | 375.07 mi (603.61 km) |
| Saint-Sebastien-sur-Loire to Oud-Turnhout | 407.24 mi (655.39 km) |
| Saint-Sebastien-sur-Loire to Oudenaarde | 341.50 mi (549.58 km) |
| Saint-Sebastien-sur-Loire to Oudenburg | 341.54 mi (549.66 km) |
| Saint-Sebastien-sur-Loire to Oupeye | 404.11 mi (650.35 km) |
| Saint-Sebastien-sur-Loire to Overijse | 368.38 mi (592.85 km) |
| Saint-Sebastien-sur-Loire to Overpelt | 417.07 mi (671.20 km) |
| Saint-Sebastien-sur-Loire to Paal | 401.14 mi (645.57 km) |
| Saint-Sebastien-sur-Loire to Peer | 414.71 mi (667.41 km) |
| Saint-Sebastien-sur-Loire to Pepinster | 405.15 mi (652.03 km) |
| Saint-Sebastien-sur-Loire to Peruwelz | 324.94 mi (522.93 km) |
| Saint-Sebastien-sur-Loire to Perwez | 371.20 mi (597.40 km) |
| Saint-Sebastien-sur-Loire to Philippeville | 344.60 mi (554.58 km) |
