| Grottaglie to Sestao | 1,065.32 mi (1,714.47 km) |
| Grottaglie to Sevilla | 1,276.19 mi (2,053.82 km) |
| Grottaglie to Sevilla La Nueva | 1,125.86 mi (1,811.90 km) |
| Grottaglie to Silla | 946.99 mi (1,524.04 km) |
| Grottaglie to Silleda | 1,329.05 mi (2,138.90 km) |
| Grottaglie to Sitges | 816.75 mi (1,314.44 km) |
| Grottaglie to Socuellamos | 1,073.02 mi (1,726.87 km) |
| Grottaglie to Soller | 778.99 mi (1,253.66 km) |
| Grottaglie to Solsona | 831.50 mi (1,338.18 km) |
| Grottaglie to Son Servera | 745.90 mi (1,200.42 km) |
| Grottaglie to Sonseca | 1,128.55 mi (1,816.22 km) |
| Grottaglie to Sopelana | 1,064.29 mi (1,712.82 km) |
| Grottaglie to Soria | 1,036.50 mi (1,668.09 km) |
| Grottaglie to Suances | 1,118.16 mi (1,799.50 km) |
| Grottaglie to Sueca | 943.87 mi (1,519.02 km) |
