| Merthyr Tudful to Grosuplje | 909.00 mi (1,462.89 km) |
| Merthyr Tudful to Hodos | 947.01 mi (1,524.06 km) |
| Merthyr Tudful to Horjul | 891.99 mi (1,435.52 km) |
| Merthyr Tudful to Hrastnik | 922.11 mi (1,483.98 km) |
| Merthyr Tudful to Hrib-Loski Potok | 915.90 mi (1,474.00 km) |
| Merthyr Tudful to Idrija | 881.86 mi (1,419.21 km) |
| Merthyr Tudful to Ig | 903.75 mi (1,454.44 km) |
| Merthyr Tudful to Ilirska Bistrica | 907.55 mi (1,460.56 km) |
| Merthyr Tudful to Ivancna Gorica | 915.59 mi (1,473.51 km) |
| Merthyr Tudful to Izola | 885.60 mi (1,425.23 km) |
| Merthyr Tudful to Jesenice | 867.20 mi (1,395.62 km) |
| Merthyr Tudful to Jurovski Dol | 931.73 mi (1,499.48 km) |
| Merthyr Tudful to Jursinci | 943.85 mi (1,518.98 km) |
| Merthyr Tudful to Kamnik | 897.25 mi (1,443.99 km) |
| Merthyr Tudful to Kanal | 862.84 mi (1,388.61 km) |
