| Herk-de-Stad to Sestao | 651.47 mi (1,048.43 km) |
| Herk-de-Stad to Sevilla | 1,093.89 mi (1,760.44 km) |
| Herk-de-Stad to Sevilla La Nueva | 854.67 mi (1,375.46 km) |
| Herk-de-Stad to Silla | 844.30 mi (1,358.77 km) |
| Herk-de-Stad to Silleda | 849.45 mi (1,367.06 km) |
| Herk-de-Stad to Sitges | 689.56 mi (1,109.75 km) |
| Herk-de-Stad to Socuellamos | 892.24 mi (1,435.91 km) |
| Herk-de-Stad to Soller | 781.16 mi (1,257.16 km) |
| Herk-de-Stad to Solsona | 641.85 mi (1,032.95 km) |
| Herk-de-Stad to Son Servera | 786.98 mi (1,266.52 km) |
| Herk-de-Stad to Sonseca | 892.53 mi (1,436.38 km) |
| Herk-de-Stad to Sopelana | 646.66 mi (1,040.70 km) |
| Herk-de-Stad to Soria | 730.06 mi (1,174.91 km) |
| Herk-de-Stad to Suances | 674.50 mi (1,085.51 km) |
| Herk-de-Stad to Sueca | 853.33 mi (1,373.30 km) |
