| Herstal to Castelli Calepio | 399.38 mi (642.74 km) |
| Herstal to Castelnovo ne' Monti | 484.42 mi (779.60 km) |
| Herstal to Castelnuovo Berardenga | 575.99 mi (926.97 km) |
| Herstal to Castelnuovo di Porto | 673.62 mi (1,084.08 km) |
| Herstal to Castelnuovo di Verona | 432.16 mi (695.49 km) |
| Herstal to Castelnuovo Rangone | 489.16 mi (787.22 km) |
| Herstal to Castelvetrano | 963.57 mi (1,550.71 km) |
| Herstal to Castelvetro di Modena | 492.59 mi (792.74 km) |
| Herstal to Castenaso | 504.58 mi (812.05 km) |
| Herstal to Castenedolo | 418.45 mi (673.43 km) |
| Herstal to Castiglion Fiorentino | 585.77 mi (942.70 km) |
| Herstal to Castiglione del Lago | 601.34 mi (967.76 km) |
| Herstal to Castiglione delle Stiviere | 427.54 mi (688.06 km) |
| Herstal to Castrolibero | 936.86 mi (1,507.73 km) |
| Herstal to Castrovillari | 907.01 mi (1,459.70 km) |
