| Merthyr Tudful to Horwich | 132.49 mi (213.22 km) |
| Merthyr Tudful to Houghton le Spring | 228.10 mi (367.09 km) |
| Merthyr Tudful to Houghton Regis | 122.35 mi (196.90 km) |
| Merthyr Tudful to Hounslow | 130.26 mi (209.64 km) |
| Merthyr Tudful to Hove | 151.90 mi (244.46 km) |
| Merthyr Tudful to Hoyland Nether | 145.99 mi (234.95 km) |
| Merthyr Tudful to Hucclecote | 51.72 mi (83.24 km) |
| Merthyr Tudful to Huddersfield | 147.47 mi (237.32 km) |
| Merthyr Tudful to Huntingdon | 142.29 mi (228.99 km) |
| Merthyr Tudful to Huntington | 183.40 mi (295.15 km) |
| Merthyr Tudful to Huyton | 117.44 mi (189.01 km) |
| Merthyr Tudful to Hwlffordd | 68.18 mi (109.72 km) |
| Merthyr Tudful to Hyde | 129.71 mi (208.75 km) |
| Merthyr Tudful to Hythe | 104.65 mi (168.42 km) |
| Merthyr Tudful to Hythe | 197.79 mi (318.31 km) |
