| San Sebastiano al Vesuvio to Opwijk | 852.65 mi (1,372.21 km) |
| San Sebastiano al Vesuvio to Ostend | 901.74 mi (1,451.20 km) |
| San Sebastiano al Vesuvio to Oud-Heverlee | 832.38 mi (1,339.59 km) |
| San Sebastiano al Vesuvio to Oud-Turnhout | 851.06 mi (1,369.66 km) |
| San Sebastiano al Vesuvio to Oudenaarde | 862.72 mi (1,388.41 km) |
| San Sebastiano al Vesuvio to Oudenburg | 897.22 mi (1,443.94 km) |
| San Sebastiano al Vesuvio to Oupeye | 800.18 mi (1,287.77 km) |
| San Sebastiano al Vesuvio to Overijse | 833.24 mi (1,340.96 km) |
| San Sebastiano al Vesuvio to Overpelt | 834.70 mi (1,343.32 km) |
| San Sebastiano al Vesuvio to Paal | 830.68 mi (1,336.85 km) |
| San Sebastiano al Vesuvio to Peer | 829.01 mi (1,334.17 km) |
| San Sebastiano al Vesuvio to Pepinster | 787.81 mi (1,267.85 km) |
| San Sebastiano al Vesuvio to Peruwelz | 845.91 mi (1,361.37 km) |
| San Sebastiano al Vesuvio to Perwez | 816.98 mi (1,314.80 km) |
| San Sebastiano al Vesuvio to Philippeville | 801.47 mi (1,289.85 km) |
