| Hemel Hempstead to Hazleton (Pennsylvania) | 3,511.30 mi (5,650.90 km) |
| Hemel Hempstead to Healdsburg (California) | 5,295.29 mi (8,521.94 km) |
| Hemel Hempstead to Heath (Ohio) | 3,811.28 mi (6,133.66 km) |
| Hemel Hempstead to Heber (Utah) | 4,836.72 mi (7,783.94 km) |
| Hemel Hempstead to Helena (Alabama) | 4,311.00 mi (6,937.88 km) |
| Hemel Hempstead to Helena (Montana) | 4,527.21 mi (7,285.84 km) |
| Hemel Hempstead to Hemet (California) | 5,396.22 mi (8,684.37 km) |
| Hemel Hempstead to Henderson (Kentucky) | 4,116.20 mi (6,624.38 km) |
| Hemel Hempstead to Henderson (Nevada) | 5,203.54 mi (8,374.29 km) |
| Hemel Hempstead to Henderson (North Carolina) | 3,820.40 mi (6,148.34 km) |
| Hemel Hempstead to Henderson (Texas) | 4,681.88 mi (7,534.75 km) |
| Hemel Hempstead to Hendersonville (North Carolina) | 4,032.71 mi (6,490.01 km) |
| Hemel Hempstead to Hendersonville (Tennessee) | 4,151.67 mi (6,681.47 km) |
| Hemel Hempstead to Hercules (California) | 5,313.37 mi (8,551.04 km) |
| Hemel Hempstead to Hereford (Texas) | 4,830.72 mi (7,774.29 km) |
