| Hemel Hempstead to Caltagirone | 1,240.19 mi (1,995.89 km) |
| Hemel Hempstead to Caltanissetta | 1,212.46 mi (1,951.26 km) |
| Hemel Hempstead to Calvisano | 662.41 mi (1,066.05 km) |
| Hemel Hempstead to Calvizzano | 1,021.44 mi (1,643.85 km) |
| Hemel Hempstead to Camaiore | 734.22 mi (1,181.61 km) |
| Hemel Hempstead to Cameri | 599.19 mi (964.30 km) |
| Hemel Hempstead to Camisano Vicentino | 702.21 mi (1,130.09 km) |
| Hemel Hempstead to Campagna | 1,063.81 mi (1,712.04 km) |
| Hemel Hempstead to Campagnano di Roma | 897.02 mi (1,443.61 km) |
| Hemel Hempstead to Campi Bisenzio | 766.87 mi (1,234.16 km) |
| Hemel Hempstead to Campi Salentina | 1,177.23 mi (1,894.57 km) |
| Hemel Hempstead to Campiglia Marittima | 791.25 mi (1,273.39 km) |
| Hemel Hempstead to Campobasso | 1,001.48 mi (1,611.72 km) |
| Hemel Hempstead to Campobello di Licata | 1,222.64 mi (1,967.66 km) |
| Hemel Hempstead to Campobello di Mazara | 1,167.87 mi (1,879.51 km) |
