| Hemel Hempstead to Cabestany | 646.75 mi (1,040.85 km) |
| Hemel Hempstead to Cabries | 635.15 mi (1,022.17 km) |
| Hemel Hempstead to Cachan | 239.01 mi (384.66 km) |
| Hemel Hempstead to Caen | 177.80 mi (286.15 km) |
| Hemel Hempstead to Cagnes-sur-Mer | 660.82 mi (1,063.49 km) |
| Hemel Hempstead to Cahors | 512.32 mi (824.50 km) |
| Hemel Hempstead to Calais | 114.71 mi (184.61 km) |
| Hemel Hempstead to Caluire-et-Cuire | 477.22 mi (768.02 km) |
| Hemel Hempstead to Cambrai | 194.50 mi (313.02 km) |
| Hemel Hempstead to Canet-en-Roussillon | 645.82 mi (1,039.35 km) |
| Hemel Hempstead to Cannes | 664.32 mi (1,069.12 km) |
| Hemel Hempstead to Canteleu | 172.17 mi (277.07 km) |
| Hemel Hempstead to Capbreton | 562.17 mi (904.72 km) |
| Hemel Hempstead to Carcassonne | 604.62 mi (973.04 km) |
| Hemel Hempstead to Carmaux | 545.89 mi (878.53 km) |
