| Sand to Sestao | 1,228.97 mi (1,977.83 km) |
| Sand to Sevilla | 1,676.81 mi (2,698.56 km) |
| Sand to Sevilla La Nueva | 1,438.68 mi (2,315.33 km) |
| Sand to Silla | 1,443.76 mi (2,323.51 km) |
| Sand to Silleda | 1,381.21 mi (2,222.84 km) |
| Sand to Sitges | 1,289.29 mi (2,074.90 km) |
| Sand to Socuellamos | 1,485.34 mi (2,390.42 km) |
| Sand to Soller | 1,378.13 mi (2,217.89 km) |
| Sand to Solsona | 1,241.91 mi (1,998.67 km) |
| Sand to Son Servera | 1,381.43 mi (2,223.20 km) |
| Sand to Sonseca | 1,479.13 mi (2,380.44 km) |
| Sand to Sopelana | 1,223.95 mi (1,969.76 km) |
| Sand to Soria | 1,318.33 mi (2,121.65 km) |
| Sand to Suances | 1,242.03 mi (1,998.86 km) |
| Sand to Sueca | 1,452.98 mi (2,338.34 km) |
