| Herk-de-Stad to Cassino | 771.54 mi (1,241.67 km) |
| Herk-de-Stad to Castagneto Carducci | 594.50 mi (956.76 km) |
| Herk-de-Stad to Castano Primo | 407.49 mi (655.80 km) |
| Herk-de-Stad to Castel Bolognese | 551.63 mi (887.77 km) |
| Herk-de-Stad to Castel Gandolfo | 727.79 mi (1,171.27 km) |
| Herk-de-Stad to Castel Goffredo | 460.08 mi (740.43 km) |
| Herk-de-Stad to Castel Maggiore | 525.78 mi (846.15 km) |
| Herk-de-Stad to Castel Mella | 440.13 mi (708.33 km) |
| Herk-de-Stad to Castel San Giorgio | 836.87 mi (1,346.81 km) |
| Herk-de-Stad to Castel San Giovanni | 452.09 mi (727.57 km) |
| Herk-de-Stad to Castel San Pietro Terme | 541.15 mi (870.89 km) |
| Herk-de-Stad to Castel Volturno | 800.85 mi (1,288.84 km) |
| Herk-de-Stad to Castelbuono | 999.23 mi (1,608.10 km) |
| Herk-de-Stad to Casteldaccia | 979.96 mi (1,577.09 km) |
| Herk-de-Stad to Castelfidardo | 648.39 mi (1,043.49 km) |
