| Castagneto Carducci to Sestao | 684.15 mi (1,101.03 km) |
| Castagneto Carducci to Sevilla | 964.23 mi (1,551.77 km) |
| Castagneto Carducci to Sevilla La Nueva | 777.61 mi (1,251.44 km) |
| Castagneto Carducci to Silla | 628.70 mi (1,011.80 km) |
| Castagneto Carducci to Silleda | 951.25 mi (1,530.88 km) |
| Castagneto Carducci to Sitges | 469.33 mi (755.32 km) |
| Castagneto Carducci to Socuellamos | 744.63 mi (1,198.37 km) |
| Castagneto Carducci to Soller | 471.38 mi (758.62 km) |
| Castagneto Carducci to Solsona | 468.86 mi (754.55 km) |
| Castagneto Carducci to Son Servera | 447.90 mi (720.83 km) |
| Castagneto Carducci to Sonseca | 789.64 mi (1,270.80 km) |
| Castagneto Carducci to Sopelana | 682.52 mi (1,098.41 km) |
| Castagneto Carducci to Soria | 672.26 mi (1,081.90 km) |
| Castagneto Carducci to Suances | 735.95 mi (1,184.39 km) |
| Castagneto Carducci to Sueca | 629.35 mi (1,012.84 km) |
