| Hemel Hempstead to Caño Martin Peña (Puerto Rico) | 4,186.23 mi (6,737.08 km) |
| Hemel Hempstead to Cañon City (Colorado) | 4,740.04 mi (7,628.35 km) |
| Hemel Hempstead to Canóvanas (Puerto Rico) | 4,183.12 mi (6,732.08 km) |
| Hemel Hempstead to Canton (Georgia) | 4,167.20 mi (6,706.46 km) |
| Hemel Hempstead to Canton (Illinois) | 4,080.31 mi (6,566.62 km) |
| Hemel Hempstead to Canton (Mississippi) | 4,471.58 mi (7,196.31 km) |
| Hemel Hempstead to Canton (Ohio) | 3,733.11 mi (6,007.86 km) |
| Hemel Hempstead to Canyon (Texas) | 4,804.21 mi (7,731.63 km) |
| Hemel Hempstead to Canyon Lake (California) | 5,407.43 mi (8,702.42 km) |
| Hemel Hempstead to Canyon Lake (Texas) | 4,935.49 mi (7,942.91 km) |
| Hemel Hempstead to Cape Coral (Florida) | 4,442.43 mi (7,149.40 km) |
| Hemel Hempstead to Cape Girardeau (Missouri) | 4,219.06 mi (6,789.92 km) |
| Hemel Hempstead to Carbondale (Illinois) | 4,185.97 mi (6,736.66 km) |
| Hemel Hempstead to Carlisle (Pennsylvania) | 3,594.13 mi (5,784.19 km) |
| Hemel Hempstead to Carlsbad (California) | 5,440.30 mi (8,755.32 km) |
