| Somma Vesuviana to Opwijk | 852.26 mi (1,371.58 km) |
| Somma Vesuviana to Ostend | 901.50 mi (1,450.83 km) |
| Somma Vesuviana to Oud-Heverlee | 831.93 mi (1,338.87 km) |
| Somma Vesuviana to Oud-Turnhout | 850.45 mi (1,368.66 km) |
| Somma Vesuviana to Oudenaarde | 862.46 mi (1,387.99 km) |
| Somma Vesuviana to Oudenburg | 896.99 mi (1,443.56 km) |
| Somma Vesuviana to Oupeye | 799.57 mi (1,286.78 km) |
| Somma Vesuviana to Overijse | 832.82 mi (1,340.30 km) |
| Somma Vesuviana to Overpelt | 834.02 mi (1,342.23 km) |
| Somma Vesuviana to Paal | 830.09 mi (1,335.90 km) |
| Somma Vesuviana to Peer | 828.34 mi (1,333.09 km) |
| Somma Vesuviana to Pepinster | 787.19 mi (1,266.86 km) |
| Somma Vesuviana to Peruwelz | 845.74 mi (1,361.09 km) |
| Somma Vesuviana to Perwez | 816.55 mi (1,314.11 km) |
| Somma Vesuviana to Philippeville | 801.20 mi (1,289.41 km) |
