| San Sebastiano al Vesuvio to Sestao | 905.54 mi (1,457.33 km) |
| San Sebastiano al Vesuvio to Sevilla | 1,117.60 mi (1,798.60 km) |
| San Sebastiano al Vesuvio to Sevilla La Nueva | 963.98 mi (1,551.37 km) |
| San Sebastiano al Vesuvio to Silla | 786.64 mi (1,265.97 km) |
| San Sebastiano al Vesuvio to Silleda | 1,168.26 mi (1,880.14 km) |
| San Sebastiano al Vesuvio to Sitges | 654.76 mi (1,053.73 km) |
| San Sebastiano al Vesuvio to Socuellamos | 912.19 mi (1,468.03 km) |
| San Sebastiano al Vesuvio to Soller | 618.71 mi (995.72 km) |
| San Sebastiano al Vesuvio to Solsona | 669.96 mi (1,078.19 km) |
| San Sebastiano al Vesuvio to Son Servera | 586.24 mi (943.46 km) |
| San Sebastiano al Vesuvio to Sonseca | 967.08 mi (1,556.36 km) |
| San Sebastiano al Vesuvio to Sopelana | 904.65 mi (1,455.90 km) |
| San Sebastiano al Vesuvio to Soria | 874.75 mi (1,407.77 km) |
| San Sebastiano al Vesuvio to Suances | 958.51 mi (1,542.58 km) |
| San Sebastiano al Vesuvio to Sueca | 783.85 mi (1,261.49 km) |
