| Leopoldsburg to Sestao | 663.36 mi (1,067.57 km) |
| Leopoldsburg to Sevilla | 1,106.12 mi (1,780.13 km) |
| Leopoldsburg to Sevilla La Nueva | 866.88 mi (1,395.11 km) |
| Leopoldsburg to Silla | 857.06 mi (1,379.30 km) |
| Leopoldsburg to Silleda | 859.87 mi (1,383.83 km) |
| Leopoldsburg to Sitges | 702.33 mi (1,130.28 km) |
| Leopoldsburg to Socuellamos | 904.77 mi (1,456.09 km) |
| Leopoldsburg to Soller | 793.82 mi (1,277.53 km) |
| Leopoldsburg to Solsona | 654.62 mi (1,053.51 km) |
| Leopoldsburg to Son Servera | 799.54 mi (1,286.74 km) |
| Leopoldsburg to Sonseca | 904.84 mi (1,456.20 km) |
| Leopoldsburg to Sopelana | 658.54 mi (1,059.82 km) |
| Leopoldsburg to Soria | 742.39 mi (1,194.77 km) |
| Leopoldsburg to Suances | 686.02 mi (1,104.05 km) |
| Leopoldsburg to Sueca | 866.09 mi (1,393.84 km) |
