| Saint-Lys to Opwijk | 533.75 mi (858.99 km) |
| Saint-Lys to Ostend | 538.98 mi (867.40 km) |
| Saint-Lys to Oud-Heverlee | 531.43 mi (855.26 km) |
| Saint-Lys to Oud-Turnhout | 567.50 mi (913.31 km) |
| Saint-Lys to Oudenaarde | 519.39 mi (835.87 km) |
| Saint-Lys to Oudenburg | 536.66 mi (863.67 km) |
| Saint-Lys to Oupeye | 539.35 mi (868.00 km) |
| Saint-Lys to Overijse | 526.27 mi (846.96 km) |
| Saint-Lys to Overpelt | 567.72 mi (913.66 km) |
| Saint-Lys to Paal | 552.42 mi (889.03 km) |
| Saint-Lys to Peer | 562.96 mi (905.99 km) |
| Saint-Lys to Pepinster | 533.74 mi (858.97 km) |
| Saint-Lys to Peruwelz | 496.85 mi (799.60 km) |
| Saint-Lys to Perwez | 520.05 mi (836.94 km) |
| Saint-Lys to Philippeville | 488.52 mi (786.20 km) |
