| Belm to Sestao | 806.19 mi (1,297.44 km) |
| Belm to Sevilla | 1,245.19 mi (2,003.94 km) |
| Belm to Sevilla La Nueva | 1,006.40 mi (1,619.65 km) |
| Belm to Silla | 982.41 mi (1,581.04 km) |
| Belm to Silleda | 1,007.57 mi (1,621.53 km) |
| Belm to Sitges | 820.39 mi (1,320.30 km) |
| Belm to Socuellamos | 1,038.90 mi (1,671.94 km) |
| Belm to Soller | 903.69 mi (1,454.34 km) |
| Belm to Solsona | 776.16 mi (1,249.11 km) |
| Belm to Son Servera | 905.04 mi (1,456.52 km) |
| Belm to Sonseca | 1,043.01 mi (1,678.56 km) |
| Belm to Sopelana | 801.46 mi (1,289.83 km) |
| Belm to Soria | 880.53 mi (1,417.07 km) |
| Belm to Suances | 831.02 mi (1,337.39 km) |
| Belm to Sueca | 990.71 mi (1,594.39 km) |
