| Trecastagni to Sestao | 1,026.36 mi (1,651.77 km) |
| Trecastagni to Sevilla | 1,154.11 mi (1,857.36 km) |
| Trecastagni to Sevilla La Nueva | 1,041.53 mi (1,676.19 km) |
| Trecastagni to Silla | 845.47 mi (1,360.64 km) |
| Trecastagni to Silleda | 1,275.71 mi (2,053.06 km) |
| Trecastagni to Sitges | 750.56 mi (1,207.91 km) |
| Trecastagni to Socuellamos | 972.59 mi (1,565.23 km) |
| Trecastagni to Soller | 683.53 mi (1,100.03 km) |
| Trecastagni to Solsona | 779.86 mi (1,255.06 km) |
| Trecastagni to Son Servera | 647.33 mi (1,041.77 km) |
| Trecastagni to Sonseca | 1,034.96 mi (1,665.61 km) |
| Trecastagni to Sopelana | 1,026.48 mi (1,651.96 km) |
| Trecastagni to Soria | 974.11 mi (1,567.68 km) |
| Trecastagni to Suances | 1,079.13 mi (1,736.69 km) |
| Trecastagni to Sueca | 839.60 mi (1,351.21 km) |
