| Hemel Hempstead to Clarkston (Georgia) | 4,178.32 mi (6,724.35 km) |
| Hemel Hempstead to Clarksville (Indiana) | 4,022.01 mi (6,472.80 km) |
| Hemel Hempstead to Clarksville (Tennessee) | 4,168.27 mi (6,708.18 km) |
| Hemel Hempstead to Clawson (Michigan) | 3,724.84 mi (5,994.55 km) |
| Hemel Hempstead to Clay (Alabama) | 4,279.79 mi (6,887.65 km) |
| Hemel Hempstead to Clayton (California) | 5,307.58 mi (8,541.73 km) |
| Hemel Hempstead to Clayton (Missouri) | 4,183.85 mi (6,733.26 km) |
| Hemel Hempstead to Clayton (North Carolina) | 3,853.09 mi (6,200.94 km) |
| Hemel Hempstead to Clayton (Ohio) | 3,892.77 mi (6,264.81 km) |
| Hemel Hempstead to Clearfield (Utah) | 4,824.31 mi (7,763.98 km) |
| Hemel Hempstead to Clearlake (California) | 5,268.97 mi (8,479.58 km) |
| Hemel Hempstead to Clearwater (Florida) | 4,407.04 mi (7,092.44 km) |
| Hemel Hempstead to Cleburne (Texas) | 4,772.95 mi (7,681.31 km) |
| Hemel Hempstead to Clemmons (North Carolina) | 3,914.78 mi (6,300.23 km) |
| Hemel Hempstead to Clemson (South Carolina) | 4,077.96 mi (6,562.84 km) |
