| Somma Vesuviana to Olivenza | 1,150.61 mi (1,851.73 km) |
| Somma Vesuviana to Olot | 624.07 mi (1,004.35 km) |
| Somma Vesuviana to Onate | 877.23 mi (1,411.77 km) |
| Somma Vesuviana to Onda | 774.95 mi (1,247.16 km) |
| Somma Vesuviana to Onteniente | 809.46 mi (1,302.69 km) |
| Somma Vesuviana to Orihuela | 841.50 mi (1,354.27 km) |
| Somma Vesuviana to Osuna | 1,075.51 mi (1,730.87 km) |
| Somma Vesuviana to Ourense | 1,153.23 mi (1,855.95 km) |
| Somma Vesuviana to Oviedo | 1,050.91 mi (1,691.27 km) |
| Somma Vesuviana to Paiporta | 789.88 mi (1,271.19 km) |
| Somma Vesuviana to Pajara | 1,827.17 mi (2,940.55 km) |
| Somma Vesuviana to Palafolls | 608.89 mi (979.92 km) |
| Somma Vesuviana to Palafrugell | 588.35 mi (946.85 km) |
| Somma Vesuviana to Palamos | 589.84 mi (949.26 km) |
| Somma Vesuviana to Palencia | 983.66 mi (1,583.04 km) |
