| Hemel Hempstead to Carpentras | 589.62 mi (948.89 km) |
| Hemel Hempstead to Carquefou | 311.25 mi (500.92 km) |
| Hemel Hempstead to Carqueiranne | 671.19 mi (1,080.18 km) |
| Hemel Hempstead to Carrieres-sous-Poissy | 223.08 mi (359.02 km) |
| Hemel Hempstead to Carrieres-sur-Seine | 230.94 mi (371.66 km) |
| Hemel Hempstead to Carros | 655.45 mi (1,054.84 km) |
| Hemel Hempstead to Carvin | 172.21 mi (277.14 km) |
| Hemel Hempstead to Castanet-Tolosan | 576.39 mi (927.61 km) |
| Hemel Hempstead to Castelginest | 563.74 mi (907.26 km) |
| Hemel Hempstead to Castelnau-le-Lez | 596.17 mi (959.45 km) |
| Hemel Hempstead to Castelnaudary | 593.54 mi (955.21 km) |
| Hemel Hempstead to Castelsarrasin | 537.83 mi (865.56 km) |
| Hemel Hempstead to Castres | 577.21 mi (928.93 km) |
| Hemel Hempstead to Caudebec-les-Elbeuf | 182.89 mi (294.34 km) |
| Hemel Hempstead to Caudry | 202.93 mi (326.58 km) |
