| Saint-Denis to Opwijk | 5,856.27 mi (9,424.76 km) |
| Saint-Denis to Ostend | 5,908.82 mi (9,509.33 km) |
| Saint-Denis to Oud-Heverlee | 5,834.60 mi (9,389.88 km) |
| Saint-Denis to Oud-Turnhout | 5,847.62 mi (9,410.83 km) |
| Saint-Denis to Oudenaarde | 5,869.48 mi (9,446.01 km) |
| Saint-Denis to Oudenburg | 5,904.26 mi (9,502.00 km) |
| Saint-Denis to Oupeye | 5,797.80 mi (9,330.66 km) |
| Saint-Denis to Overijse | 5,836.47 mi (9,392.90 km) |
| Saint-Denis to Overpelt | 5,829.31 mi (9,381.37 km) |
| Saint-Denis to Paal | 5,828.43 mi (9,379.96 km) |
| Saint-Denis to Peer | 5,824.13 mi (9,373.04 km) |
| Saint-Denis to Pepinster | 5,785.53 mi (9,310.91 km) |
| Saint-Denis to Peruwelz | 5,854.47 mi (9,421.86 km) |
| Saint-Denis to Perwez | 5,819.96 mi (9,366.32 km) |
| Saint-Denis to Philippeville | 5,808.34 mi (9,347.62 km) |
