| Castellaneta to Sestao | 1,038.21 mi (1,670.84 km) |
| Castellaneta to Sevilla | 1,250.35 mi (2,012.24 km) |
| Castellaneta to Sevilla La Nueva | 1,099.04 mi (1,768.73 km) |
| Castellaneta to Silla | 920.69 mi (1,481.71 km) |
| Castellaneta to Silleda | 1,301.92 mi (2,095.23 km) |
| Castellaneta to Sitges | 789.80 mi (1,271.06 km) |
| Castellaneta to Socuellamos | 1,046.60 mi (1,684.33 km) |
| Castellaneta to Soller | 752.69 mi (1,211.34 km) |
| Castellaneta to Solsona | 804.41 mi (1,294.57 km) |
| Castellaneta to Son Servera | 719.76 mi (1,158.34 km) |
| Castellaneta to Sonseca | 1,101.91 mi (1,773.36 km) |
| Castellaneta to Sopelana | 1,037.19 mi (1,669.19 km) |
| Castellaneta to Soria | 1,009.43 mi (1,624.52 km) |
| Castellaneta to Suances | 1,091.06 mi (1,755.88 km) |
| Castellaneta to Sueca | 917.66 mi (1,476.83 km) |
