| Martinsicuro to Sestao | 852.81 mi (1,372.46 km) |
| Martinsicuro to Sevilla | 1,119.25 mi (1,801.26 km) |
| Martinsicuro to Sevilla La Nueva | 941.49 mi (1,515.17 km) |
| Martinsicuro to Silla | 783.22 mi (1,260.47 km) |
| Martinsicuro to Silleda | 1,119.88 mi (1,802.28 km) |
| Martinsicuro to Sitges | 631.14 mi (1,015.72 km) |
| Martinsicuro to Socuellamos | 903.15 mi (1,453.48 km) |
| Martinsicuro to Soller | 619.96 mi (997.73 km) |
| Martinsicuro to Solsona | 634.62 mi (1,021.33 km) |
| Martinsicuro to Son Servera | 592.36 mi (953.31 km) |
| Martinsicuro to Sonseca | 951.27 mi (1,530.92 km) |
| Martinsicuro to Sopelana | 851.17 mi (1,369.83 km) |
| Martinsicuro to Soria | 839.13 mi (1,350.45 km) |
| Martinsicuro to Suances | 904.59 mi (1,455.79 km) |
| Martinsicuro to Sueca | 782.66 mi (1,259.57 km) |
