| Thornton Heath to Sesena | 799.22 mi (1,286.22 km) |
| Thornton Heath to Sestao | 575.01 mi (925.40 km) |
| Thornton Heath to Sevilla | 1,019.82 mi (1,641.25 km) |
| Thornton Heath to Sevilla La Nueva | 786.31 mi (1,265.44 km) |
| Thornton Heath to Silla | 831.90 mi (1,338.81 km) |
| Thornton Heath to Silleda | 711.52 mi (1,145.08 km) |
| Thornton Heath to Sitges | 708.26 mi (1,139.84 km) |
| Thornton Heath to Socuellamos | 846.46 mi (1,362.24 km) |
| Thornton Heath to Soller | 815.03 mi (1,311.66 km) |
| Thornton Heath to Solsona | 654.39 mi (1,053.13 km) |
| Thornton Heath to Son Servera | 830.78 mi (1,337.01 km) |
| Thornton Heath to Sonseca | 829.19 mi (1,334.46 km) |
| Thornton Heath to Sopelana | 569.96 mi (917.27 km) |
| Thornton Heath to Soria | 674.87 mi (1,086.10 km) |
| Thornton Heath to Suances | 580.26 mi (933.84 km) |
