| Merthyr Tudful to Tallinn | 1,207.72 mi (1,943.63 km) |
| Merthyr Tudful to Tartu | 1,263.03 mi (2,032.65 km) |
| Merthyr Tudful to Valga | 1,232.79 mi (1,983.98 km) |
| Merthyr Tudful to Viljandi | 1,222.87 mi (1,968.02 km) |
| Merthyr Tudful to Voru | 1,268.38 mi (2,041.26 km) |
| Merthyr Tudful to Aanekoski | 1,305.39 mi (2,100.82 km) |
| Merthyr Tudful to Alajarvi | 1,261.10 mi (2,029.54 km) |
| Merthyr Tudful to Alavus | 1,243.47 mi (2,001.17 km) |
| Merthyr Tudful to Ekenas | 1,173.45 mi (1,888.48 km) |
| Merthyr Tudful to Espoo | 1,218.35 mi (1,960.75 km) |
| Merthyr Tudful to Eura | 1,157.38 mi (1,862.62 km) |
| Merthyr Tudful to Eurajoki | 1,148.43 mi (1,848.22 km) |
| Merthyr Tudful to Forssa | 1,197.83 mi (1,927.72 km) |
| Merthyr Tudful to Hakkila | 1,229.68 mi (1,978.98 km) |
| Merthyr Tudful to Halikko | 1,170.81 mi (1,884.24 km) |
