| San Martin de la Vega to Sestao | 216.26 mi (348.04 km) |
| San Martin de la Vega to Sevilla | 243.04 mi (391.13 km) |
| San Martin de la Vega to Sevilla La Nueva | 25.88 mi (41.65 km) |
| San Martin de la Vega to Silla | 177.79 mi (286.12 km) |
| San Martin de la Vega to Silleda | 296.36 mi (476.94 km) |
| San Martin de la Vega to Sitges | 290.24 mi (467.10 km) |
| San Martin de la Vega to Socuellamos | 75.59 mi (121.66 km) |
| San Martin de la Vega to Soller | 333.37 mi (536.51 km) |
| San Martin de la Vega to Solsona | 292.24 mi (470.31 km) |
| San Martin de la Vega to Son Servera | 369.51 mi (594.68 km) |
| San Martin de la Vega to Sonseca | 40.49 mi (65.16 km) |
| San Martin de la Vega to Sopelana | 221.28 mi (356.12 km) |
| San Martin de la Vega to Soria | 122.07 mi (196.45 km) |
| San Martin de la Vega to Suances | 224.10 mi (360.66 km) |
| San Martin de la Vega to Sueca | 186.76 mi (300.57 km) |
