| San Sebastiano al Vesuvio to Olivenza | 1,146.92 mi (1,845.79 km) |
| San Sebastiano al Vesuvio to Olot | 621.07 mi (999.52 km) |
| San Sebastiano al Vesuvio to Onate | 874.42 mi (1,407.24 km) |
| San Sebastiano al Vesuvio to Onda | 771.29 mi (1,241.27 km) |
| San Sebastiano al Vesuvio to Onteniente | 805.56 mi (1,296.42 km) |
| San Sebastiano al Vesuvio to Orihuela | 837.48 mi (1,347.80 km) |
| San Sebastiano al Vesuvio to Osuna | 1,071.53 mi (1,724.47 km) |
| San Sebastiano al Vesuvio to Ourense | 1,150.23 mi (1,851.12 km) |
| San Sebastiano al Vesuvio to Oviedo | 1,048.14 mi (1,686.82 km) |
| San Sebastiano al Vesuvio to Paiporta | 786.11 mi (1,265.12 km) |
| San Sebastiano al Vesuvio to Pajara | 1,822.82 mi (2,933.54 km) |
| San Sebastiano al Vesuvio to Palafolls | 605.70 mi (974.78 km) |
| San Sebastiano al Vesuvio to Palafrugell | 585.26 mi (941.88 km) |
| San Sebastiano al Vesuvio to Palamos | 586.72 mi (944.24 km) |
| San Sebastiano al Vesuvio to Palencia | 980.57 mi (1,578.07 km) |
