| Merthyr Tudful to Acqui Terme | 730.46 mi (1,175.55 km) |
| Merthyr Tudful to Acri | 1,268.25 mi (2,041.05 km) |
| Merthyr Tudful to Adelfia | 1,210.61 mi (1,948.29 km) |
| Merthyr Tudful to Adrano | 1,313.95 mi (2,114.59 km) |
| Merthyr Tudful to Adria | 842.83 mi (1,356.41 km) |
| Merthyr Tudful to Afragola | 1,122.56 mi (1,806.58 km) |
| Merthyr Tudful to Agliana | 856.77 mi (1,378.84 km) |
| Merthyr Tudful to Agrate Brianza | 718.43 mi (1,156.20 km) |
| Merthyr Tudful to Agrigento | 1,294.04 mi (2,082.55 km) |
| Merthyr Tudful to Agropoli | 1,175.04 mi (1,891.05 km) |
| Merthyr Tudful to Ala | 772.89 mi (1,243.85 km) |
| Merthyr Tudful to Alassio | 754.95 mi (1,214.97 km) |
| Merthyr Tudful to Alatri | 1,047.20 mi (1,685.31 km) |
| Merthyr Tudful to Alba | 714.55 mi (1,149.96 km) |
| Merthyr Tudful to Albano Laziale | 1,023.27 mi (1,646.79 km) |
