| Hemel Hempstead to Homer Glen (Illinois) | 3,951.69 mi (6,359.62 km) |
| Hemel Hempstead to Homestead (Florida) | 4,437.03 mi (7,140.70 km) |
| Hemel Hempstead to Homewood (Alabama) | 4,299.36 mi (6,919.14 km) |
| Hemel Hempstead to Homewood (Illinois) | 3,942.81 mi (6,345.34 km) |
| Hemel Hempstead to Homosassa Springs (Florida) | 4,355.86 mi (7,010.07 km) |
| Hemel Hempstead to Honeygo (Maryland) | 3,598.23 mi (5,790.79 km) |
| Hemel Hempstead to Honolulu (Hawaii) | 7,204.93 mi (11,595.22 km) |
| Hemel Hempstead to Hoover (Alabama) | 4,303.50 mi (6,925.82 km) |
| Hemel Hempstead to Hopatcong (New Jersey) | 3,458.03 mi (5,565.17 km) |
| Hemel Hempstead to Hope Mills (North Carolina) | 3,906.57 mi (6,287.01 km) |
| Hemel Hempstead to Hopewell (Virginia) | 3,729.82 mi (6,002.56 km) |
| Hemel Hempstead to Hopkins (Minnesota) | 3,996.99 mi (6,432.53 km) |
| Hemel Hempstead to Hopkinsville (Kentucky) | 4,160.59 mi (6,695.82 km) |
| Hemel Hempstead to Horizon City (Texas) | 5,137.34 mi (8,267.75 km) |
| Hemel Hempstead to Horizon West (Florida) | 4,335.84 mi (6,977.86 km) |
