| Hemel Hempstead to Hamilton | 313.86 mi (505.12 km) |
| Hemel Hempstead to Hammersmith | 20.83 mi (33.52 km) |
| Hemel Hempstead to Hampton | 23.26 mi (37.43 km) |
| Hemel Hempstead to Hamworthy | 97.62 mi (157.11 km) |
| Hemel Hempstead to Handsworth | 118.39 mi (190.53 km) |
| Hemel Hempstead to Hanwell | 17.75 mi (28.56 km) |
| Hemel Hempstead to Harborne | 79.61 mi (128.12 km) |
| Hemel Hempstead to Harlow | 25.60 mi (41.20 km) |
| Hemel Hempstead to Harpenden | 6.71 mi (10.80 km) |
| Hemel Hempstead to Harrogate | 161.01 mi (259.11 km) |
| Hemel Hempstead to Harrow | 12.81 mi (20.61 km) |
| Hemel Hempstead to Harrow on the Hill | 14.19 mi (22.84 km) |
| Hemel Hempstead to Harrow Weald | 11.68 mi (18.80 km) |
| Hemel Hempstead to Hartlepool | 205.25 mi (330.32 km) |
| Hemel Hempstead to Harwich | 75.12 mi (120.90 km) |
