| Hemel Hempstead to Cicero (Illinois) | 3,933.23 mi (6,329.92 km) |
| Hemel Hempstead to Cimarron Hills (Colorado) | 4,699.91 mi (7,563.78 km) |
| Hemel Hempstead to Cincinnati (Ohio) | 3,933.69 mi (6,330.67 km) |
| Hemel Hempstead to Cinco Ranch (Texas) | 4,845.02 mi (7,797.31 km) |
| Hemel Hempstead to Circleville (Ohio) | 3,849.99 mi (6,195.96 km) |
| Hemel Hempstead to Citrus (California) | 5,403.26 mi (8,695.70 km) |
| Hemel Hempstead to Citrus Heights (California) | 5,244.91 mi (8,440.86 km) |
| Hemel Hempstead to Citrus Park (Florida) | 4,393.97 mi (7,071.42 km) |
| Hemel Hempstead to Claiborne (Louisiana) | 4,560.50 mi (7,339.41 km) |
| Hemel Hempstead to Claremont (California) | 5,397.10 mi (8,685.80 km) |
| Hemel Hempstead to Claremont (New Hampshire) | 3,261.31 mi (5,248.57 km) |
| Hemel Hempstead to Claremore (Oklahoma) | 4,500.73 mi (7,243.23 km) |
| Hemel Hempstead to Clarksburg (Maryland) | 3,640.37 mi (5,858.61 km) |
| Hemel Hempstead to Clarksburg (West Virginia) | 3,760.83 mi (6,052.46 km) |
| Hemel Hempstead to Clarksdale (Mississippi) | 4,412.77 mi (7,101.67 km) |
