| Merthyr Tudful to Aviano | 821.73 mi (1,322.44 km) |
| Merthyr Tudful to Avigliana | 674.26 mi (1,085.11 km) |
| Merthyr Tudful to Avigliano | 1,181.77 mi (1,901.88 km) |
| Merthyr Tudful to Avola | 1,365.57 mi (2,197.67 km) |
| Merthyr Tudful to Azzano Decimo | 834.19 mi (1,342.50 km) |
| Merthyr Tudful to Bacoli | 1,120.39 mi (1,803.09 km) |
| Merthyr Tudful to Badia Polesine | 819.82 mi (1,319.37 km) |
| Merthyr Tudful to Bagheria | 1,247.96 mi (2,008.40 km) |
| Merthyr Tudful to Bagnacavallo | 868.41 mi (1,397.58 km) |
| Merthyr Tudful to Bagnara Calabra | 1,312.83 mi (2,112.80 km) |
| Merthyr Tudful to Bagno a Ripoli | 875.31 mi (1,408.68 km) |
| Merthyr Tudful to Bagnolo in Piano | 804.45 mi (1,294.64 km) |
| Merthyr Tudful to Bagnolo Mella | 755.85 mi (1,216.42 km) |
| Merthyr Tudful to Barano d'Ischia | 1,118.92 mi (1,800.73 km) |
| Merthyr Tudful to Baranzate | 712.37 mi (1,146.45 km) |
