| Hemel Hempstead to Castelletto sopra Ticino | 587.37 mi (945.28 km) |
| Hemel Hempstead to Castelli Calepio | 633.27 mi (1,019.15 km) |
| Hemel Hempstead to Castelnovo ne' Monti | 710.86 mi (1,144.01 km) |
| Hemel Hempstead to Castelnuovo Berardenga | 803.66 mi (1,293.36 km) |
| Hemel Hempstead to Castelnuovo di Porto | 900.69 mi (1,449.53 km) |
| Hemel Hempstead to Castelnuovo di Verona | 672.69 mi (1,082.59 km) |
| Hemel Hempstead to Castelnuovo Rangone | 722.29 mi (1,162.41 km) |
| Hemel Hempstead to Castelvetrano | 1,166.01 mi (1,876.51 km) |
| Hemel Hempstead to Castelvetro di Modena | 725.39 mi (1,167.41 km) |
| Hemel Hempstead to Castenaso | 742.35 mi (1,194.69 km) |
| Hemel Hempstead to Castenedolo | 654.75 mi (1,053.72 km) |
| Hemel Hempstead to Castiglion Fiorentino | 817.23 mi (1,315.20 km) |
| Hemel Hempstead to Castiglione del Lago | 832.25 mi (1,339.37 km) |
| Hemel Hempstead to Castiglione delle Stiviere | 665.14 mi (1,070.44 km) |
| Hemel Hempstead to Castrolibero | 1,173.15 mi (1,888.00 km) |
