| San Severino Marche to Sestao | 812.88 mi (1,308.21 km) |
| San Severino Marche to Sevilla | 1,089.22 mi (1,752.94 km) |
| San Severino Marche to Sevilla La Nueva | 906.71 mi (1,459.20 km) |
| San Severino Marche to Silla | 753.16 mi (1,212.09 km) |
| San Severino Marche to Silleda | 1,080.19 mi (1,738.39 km) |
| San Severino Marche to Sitges | 597.41 mi (961.44 km) |
| San Severino Marche to Socuellamos | 871.33 mi (1,402.26 km) |
| San Severino Marche to Soller | 592.06 mi (952.82 km) |
| San Severino Marche to Solsona | 598.47 mi (963.15 km) |
| San Severino Marche to Son Servera | 565.92 mi (910.76 km) |
| San Severino Marche to Sonseca | 917.83 mi (1,477.11 km) |
| San Severino Marche to Sopelana | 811.13 mi (1,305.40 km) |
| San Severino Marche to Soria | 802.12 mi (1,290.88 km) |
| San Severino Marche to Suances | 864.38 mi (1,391.08 km) |
| San Severino Marche to Sueca | 753.13 mi (1,212.04 km) |
