| Hemel Hempstead to Crest Hill (Illinois) | 3,959.37 mi (6,371.99 km) |
| Hemel Hempstead to Crestview (Florida) | 4,425.30 mi (7,121.84 km) |
| Hemel Hempstead to Crestwood (Illinois) | 3,941.78 mi (6,343.68 km) |
| Hemel Hempstead to Crestwood (Missouri) | 4,189.95 mi (6,743.07 km) |
| Hemel Hempstead to Creve Coeur (Missouri) | 4,187.32 mi (6,738.84 km) |
| Hemel Hempstead to Crofton (Maryland) | 3,626.04 mi (5,835.55 km) |
| Hemel Hempstead to Crossville (Tennessee) | 4,106.20 mi (6,608.29 km) |
| Hemel Hempstead to Crowley (Louisiana) | 4,686.16 mi (7,541.64 km) |
| Hemel Hempstead to Crowley (Texas) | 4,759.26 mi (7,659.30 km) |
| Hemel Hempstead to Crown Point (Indiana) | 3,937.55 mi (6,336.87 km) |
| Hemel Hempstead to Crystal (Minnesota) | 3,990.08 mi (6,421.41 km) |
| Hemel Hempstead to Crystal Lake (Illinois) | 3,936.90 mi (6,335.83 km) |
| Hemel Hempstead to Cudahy (California) | 5,421.43 mi (8,724.96 km) |
| Hemel Hempstead to Cudahy (Wisconsin) | 3,886.04 mi (6,253.98 km) |
| Hemel Hempstead to Cullman (Alabama) | 4,265.31 mi (6,864.36 km) |
