| Hemel Hempstead to Collegno | 589.78 mi (949.16 km) |
| Hemel Hempstead to Cologno al Serio | 629.03 mi (1,012.33 km) |
| Hemel Hempstead to Cologno Monzese | 617.87 mi (994.36 km) |
| Hemel Hempstead to Colorno | 684.53 mi (1,101.64 km) |
| Hemel Hempstead to Comacchio | 757.51 mi (1,219.09 km) |
| Hemel Hempstead to Comiso | 1,259.68 mi (2,027.27 km) |
| Hemel Hempstead to Como | 597.28 mi (961.23 km) |
| Hemel Hempstead to Concordia Sagittaria | 732.47 mi (1,178.79 km) |
| Hemel Hempstead to Concorezzo | 616.65 mi (992.40 km) |
| Hemel Hempstead to Conegliano | 706.64 mi (1,137.22 km) |
| Hemel Hempstead to Conselice | 754.36 mi (1,214.02 km) |
| Hemel Hempstead to Conselve | 720.83 mi (1,160.06 km) |
| Hemel Hempstead to Conversano | 1,116.56 mi (1,796.93 km) |
| Hemel Hempstead to Copertino | 1,185.26 mi (1,907.49 km) |
| Hemel Hempstead to Copparo | 735.58 mi (1,183.80 km) |
