| Hemel Hempstead to Castrovillari | 1,145.91 mi (1,844.16 km) |
| Hemel Hempstead to Catania | 1,241.57 mi (1,998.12 km) |
| Hemel Hempstead to Catanzaro | 1,209.04 mi (1,945.77 km) |
| Hemel Hempstead to Cattolica | 812.64 mi (1,307.82 km) |
| Hemel Hempstead to Cava de' Tirreni | 1,048.97 mi (1,688.16 km) |
| Hemel Hempstead to Cavallino | 1,187.97 mi (1,911.86 km) |
| Hemel Hempstead to Cavarzere | 733.02 mi (1,179.68 km) |
| Hemel Hempstead to Cave | 931.63 mi (1,499.32 km) |
| Hemel Hempstead to Cavriago | 701.39 mi (1,128.78 km) |
| Hemel Hempstead to Cavriglia | 793.99 mi (1,277.81 km) |
| Hemel Hempstead to Cazzago San Martino | 640.07 mi (1,030.10 km) |
| Hemel Hempstead to Ceccano | 957.95 mi (1,541.68 km) |
| Hemel Hempstead to Cecina | 774.43 mi (1,246.32 km) |
| Hemel Hempstead to Cefalu | 1,179.14 mi (1,897.64 km) |
| Hemel Hempstead to Ceglie Messapico | 1,146.24 mi (1,844.69 km) |
