| Merthyr Tudful to Torres Vedras | 919.39 mi (1,479.62 km) |
| Merthyr Tudful to Trancoso | 780.34 mi (1,255.84 km) |
| Merthyr Tudful to Trofa | 759.47 mi (1,222.25 km) |
| Merthyr Tudful to Vagos | 813.44 mi (1,309.11 km) |
| Merthyr Tudful to Valadares | 776.78 mi (1,250.11 km) |
| Merthyr Tudful to Valbom | 773.07 mi (1,244.14 km) |
| Merthyr Tudful to Vale de Cambra | 789.41 mi (1,270.44 km) |
| Merthyr Tudful to Valenca | 715.92 mi (1,152.16 km) |
| Merthyr Tudful to Valongo | 768.76 mi (1,237.21 km) |
| Merthyr Tudful to Vendas Novas | 934.92 mi (1,504.60 km) |
| Merthyr Tudful to Viana do Castelo | 739.93 mi (1,190.80 km) |
| Merthyr Tudful to Vieira do Minho | 733.57 mi (1,180.57 km) |
| Merthyr Tudful to Vila do Conde | 761.31 mi (1,225.21 km) |
| Merthyr Tudful to Vila Franca do Campo | 1,442.53 mi (2,321.53 km) |
| Merthyr Tudful to Vila Nova de Cerveira | 720.01 mi (1,158.74 km) |
