| Merthyr Tudful to Heswall | 110.14 mi (177.25 km) |
| Merthyr Tudful to Hetton le Hole | 227.09 mi (365.46 km) |
| Merthyr Tudful to Hexham | 229.16 mi (368.79 km) |
| Merthyr Tudful to Heysham | 160.39 mi (258.13 km) |
| Merthyr Tudful to Heywood | 136.54 mi (219.74 km) |
| Merthyr Tudful to High Blantyre | 281.36 mi (452.81 km) |
| Merthyr Tudful to High Wycombe | 112.92 mi (181.73 km) |
| Merthyr Tudful to Highbury | 141.27 mi (227.35 km) |
| Merthyr Tudful to Highgate | 139.08 mi (223.82 km) |
| Merthyr Tudful to Hilsea | 118.00 mi (189.91 km) |
| Merthyr Tudful to Hinckley | 101.35 mi (163.11 km) |
| Merthyr Tudful to Hindley | 128.44 mi (206.71 km) |
| Merthyr Tudful to Hipperholme | 151.85 mi (244.38 km) |
| Merthyr Tudful to Hitchin | 132.85 mi (213.80 km) |
| Merthyr Tudful to Hockley | 172.26 mi (277.23 km) |
