| Hemel Hempstead to Holbeach | 75.46 mi (121.44 km) |
| Hemel Hempstead to Holborn | 22.13 mi (35.62 km) |
| Hemel Hempstead to Hollinwood | 140.76 mi (226.53 km) |
| Hemel Hempstead to Holyhead | 205.36 mi (330.50 km) |
| Hemel Hempstead to Holywell | 156.37 mi (251.65 km) |
| Hemel Hempstead to Honiton | 134.75 mi (216.86 km) |
| Hemel Hempstead to Horbury | 139.39 mi (224.33 km) |
| Hemel Hempstead to Horley | 41.97 mi (67.55 km) |
| Hemel Hempstead to Hornchurch | 32.22 mi (51.86 km) |
| Hemel Hempstead to Horndean | 62.27 mi (100.22 km) |
| Hemel Hempstead to Hornsey | 18.90 mi (30.42 km) |
| Hemel Hempstead to Horsell | 29.56 mi (47.58 km) |
| Hemel Hempstead to Horsforth | 152.13 mi (244.83 km) |
| Hemel Hempstead to Horsham | 48.12 mi (77.44 km) |
| Hemel Hempstead to Horwich | 153.87 mi (247.62 km) |
