| Castelli Calepio to Sestao | 655.42 mi (1,054.80 km) |
| Castelli Calepio to Sevilla | 1,003.90 mi (1,615.61 km) |
| Castelli Calepio to Sevilla La Nueva | 791.53 mi (1,273.84 km) |
| Castelli Calepio to Silla | 679.95 mi (1,094.27 km) |
| Castelli Calepio to Silleda | 919.14 mi (1,479.21 km) |
| Castelli Calepio to Sitges | 506.92 mi (815.80 km) |
| Castelli Calepio to Socuellamos | 779.91 mi (1,255.14 km) |
| Castelli Calepio to Soller | 545.41 mi (877.75 km) |
| Castelli Calepio to Solsona | 487.33 mi (784.29 km) |
| Castelli Calepio to Son Servera | 531.70 mi (855.68 km) |
| Castelli Calepio to Sonseca | 812.71 mi (1,307.93 km) |
| Castelli Calepio to Sopelana | 652.62 mi (1,050.29 km) |
| Castelli Calepio to Soria | 672.11 mi (1,081.65 km) |
| Castelli Calepio to Suances | 702.71 mi (1,130.90 km) |
| Castelli Calepio to Sueca | 683.65 mi (1,100.23 km) |
