| Merthyr Tudful to Hameenkyro | 1,204.73 mi (1,938.83 km) |
| Merthyr Tudful to Hameenlinna | 1,228.56 mi (1,977.18 km) |
| Merthyr Tudful to Hamina | 1,308.72 mi (2,106.18 km) |
| Merthyr Tudful to Hanko | 1,155.11 mi (1,858.98 km) |
| Merthyr Tudful to Hattula | 1,226.90 mi (1,974.50 km) |
| Merthyr Tudful to Haukipudas | 1,371.05 mi (2,206.49 km) |
| Merthyr Tudful to Hausjarvi | 1,241.99 mi (1,998.78 km) |
| Merthyr Tudful to Heinola | 1,282.71 mi (2,064.32 km) |
| Merthyr Tudful to Helsinki | 1,227.01 mi (1,974.68 km) |
| Merthyr Tudful to Hollola | 1,261.77 mi (2,030.62 km) |
| Merthyr Tudful to Huittinen | 1,177.50 mi (1,895.01 km) |
| Merthyr Tudful to Hyvinkaa | 1,233.17 mi (1,984.59 km) |
| Merthyr Tudful to Ii | 1,376.06 mi (2,214.56 km) |
| Merthyr Tudful to Iisalmi | 1,372.57 mi (2,208.94 km) |
| Merthyr Tudful to Ilmajoki | 1,218.09 mi (1,960.33 km) |
