| Palo del Colle to Sestao | 1,018.50 mi (1,639.12 km) |
| Palo del Colle to Sevilla | 1,240.25 mi (1,995.98 km) |
| Palo del Colle to Sevilla La Nueva | 1,084.36 mi (1,745.10 km) |
| Palo del Colle to Silla | 908.89 mi (1,462.72 km) |
| Palo del Colle to Silleda | 1,283.12 mi (2,064.98 km) |
| Palo del Colle to Sitges | 774.23 mi (1,246.00 km) |
| Palo del Colle to Socuellamos | 1,034.14 mi (1,664.29 km) |
| Palo del Colle to Soller | 741.05 mi (1,192.61 km) |
| Palo del Colle to Solsona | 787.04 mi (1,266.62 km) |
| Palo del Colle to Son Servera | 708.77 mi (1,140.66 km) |
| Palo del Colle to Sonseca | 1,088.39 mi (1,751.59 km) |
| Palo del Colle to Sopelana | 1,017.37 mi (1,637.29 km) |
| Palo del Colle to Soria | 992.41 mi (1,597.14 km) |
| Palo del Colle to Suances | 1,071.21 mi (1,723.94 km) |
| Palo del Colle to Sueca | 906.24 mi (1,458.46 km) |
