| Herk-de-Stad to Settimo Torinese | 418.76 mi (673.93 km) |
| Herk-de-Stad to Seveso | 408.84 mi (657.96 km) |
| Herk-de-Stad to Sezze | 752.72 mi (1,211.38 km) |
| Herk-de-Stad to Siano | 835.57 mi (1,344.72 km) |
| Herk-de-Stad to Siena | 600.60 mi (966.58 km) |
| Herk-de-Stad to Signa | 566.71 mi (912.03 km) |
| Herk-de-Stad to Silea | 490.24 mi (788.97 km) |
| Herk-de-Stad to Silvi Paese | 716.96 mi (1,153.83 km) |
| Herk-de-Stad to Sinalunga | 616.08 mi (991.48 km) |
| Herk-de-Stad to Siniscola | 748.41 mi (1,204.45 km) |
| Herk-de-Stad to Sinnai | 827.50 mi (1,331.74 km) |
| Herk-de-Stad to Siracusa | 1,080.05 mi (1,738.17 km) |
| Herk-de-Stad to Solaro | 409.53 mi (659.08 km) |
| Herk-de-Stad to Soliera | 504.57 mi (812.02 km) |
| Herk-de-Stad to Solofra | 837.81 mi (1,348.32 km) |
