| Castelsarrasin to Sestao | 211.57 mi (340.49 km) |
| Castelsarrasin to Sevilla | 598.83 mi (963.72 km) |
| Castelsarrasin to Sevilla La Nueva | 366.19 mi (589.32 km) |
| Castelsarrasin to Silla | 332.56 mi (535.20 km) |
| Castelsarrasin to Silleda | 477.89 mi (769.09 km) |
| Castelsarrasin to Sitges | 197.09 mi (317.19 km) |
| Castelsarrasin to Socuellamos | 384.73 mi (619.17 km) |
| Castelsarrasin to Soller | 306.39 mi (493.09 km) |
| Castelsarrasin to Solsona | 142.85 mi (229.90 km) |
| Castelsarrasin to Son Servera | 326.59 mi (525.60 km) |
| Castelsarrasin to Sonseca | 396.84 mi (638.66 km) |
| Castelsarrasin to Sopelana | 209.06 mi (336.45 km) |
| Castelsarrasin to Soria | 239.50 mi (385.44 km) |
| Castelsarrasin to Suances | 260.79 mi (419.69 km) |
| Castelsarrasin to Sueca | 342.15 mi (550.63 km) |
