| San Roque to Opwijk | 1,124.23 mi (1,809.27 km) |
| San Roque to Ostend | 1,115.59 mi (1,795.37 km) |
| San Roque to Oud-Heverlee | 1,126.52 mi (1,812.96 km) |
| San Roque to Oud-Turnhout | 1,162.31 mi (1,870.55 km) |
| San Roque to Oudenaarde | 1,105.21 mi (1,778.66 km) |
| San Roque to Oudenburg | 1,114.40 mi (1,793.45 km) |
| San Roque to Oupeye | 1,141.44 mi (1,836.97 km) |
| San Roque to Overijse | 1,120.62 mi (1,803.46 km) |
| San Roque to Overpelt | 1,165.95 mi (1,876.41 km) |
| San Roque to Paal | 1,149.98 mi (1,850.71 km) |
| San Roque to Peer | 1,161.84 mi (1,869.80 km) |
| San Roque to Pepinster | 1,137.42 mi (1,830.51 km) |
| San Roque to Peruwelz | 1,084.44 mi (1,745.23 km) |
| San Roque to Perwez | 1,117.35 mi (1,798.20 km) |
| San Roque to Philippeville | 1,086.22 mi (1,748.09 km) |
