| Aci Catena to Sestao | 1,029.32 mi (1,656.53 km) |
| Aci Catena to Sevilla | 1,156.94 mi (1,861.92 km) |
| Aci Catena to Sevilla La Nueva | 1,044.48 mi (1,680.94 km) |
| Aci Catena to Silla | 848.39 mi (1,365.35 km) |
| Aci Catena to Silleda | 1,278.68 mi (2,057.84 km) |
| Aci Catena to Sitges | 753.53 mi (1,212.69 km) |
| Aci Catena to Socuellamos | 975.51 mi (1,569.93 km) |
| Aci Catena to Soller | 686.48 mi (1,104.78 km) |
| Aci Catena to Solsona | 782.82 mi (1,259.82 km) |
| Aci Catena to Son Servera | 650.27 mi (1,046.52 km) |
| Aci Catena to Sonseca | 1,037.89 mi (1,670.33 km) |
| Aci Catena to Sopelana | 1,029.43 mi (1,656.72 km) |
| Aci Catena to Soria | 977.08 mi (1,572.46 km) |
| Aci Catena to Suances | 1,082.09 mi (1,741.46 km) |
| Aci Catena to Sueca | 842.52 mi (1,355.91 km) |
