| Hemel Hempstead to Corinth (Mississippi) | 4,294.08 mi (6,910.65 km) |
| Hemel Hempstead to Corinth (Texas) | 4,718.81 mi (7,594.19 km) |
| Hemel Hempstead to Cornelius (North Carolina) | 3,961.51 mi (6,375.43 km) |
| Hemel Hempstead to Cornelius (Oregon) | 4,900.68 mi (7,886.89 km) |
| Hemel Hempstead to Corning (New York) | 3,502.60 mi (5,636.89 km) |
| Hemel Hempstead to Corona (California) | 5,407.35 mi (8,702.29 km) |
| Hemel Hempstead to Coronado (California) | 5,462.52 mi (8,791.08 km) |
| Hemel Hempstead to Corpus Christi (Texas) | 5,014.41 mi (8,069.92 km) |
| Hemel Hempstead to Corsicana (Texas) | 4,750.65 mi (7,645.43 km) |
| Hemel Hempstead to Cortland (New York) | 3,448.04 mi (5,549.09 km) |
| Hemel Hempstead to Corvallis (Oregon) | 4,961.54 mi (7,984.83 km) |
| Hemel Hempstead to Coshocton (Ohio) | 3,776.93 mi (6,078.38 km) |
| Hemel Hempstead to Costa Mesa (California) | 5,429.74 mi (8,738.32 km) |
| Hemel Hempstead to Coto de Caza (California) | 5,423.21 mi (8,727.82 km) |
| Hemel Hempstead to Cottage Grove (Minnesota) | 3,985.04 mi (6,413.31 km) |
