| Merthyr Tudful to Alhendin | 1,010.67 mi (1,626.51 km) |
| Merthyr Tudful to Alicante | 936.22 mi (1,506.70 km) |
| Merthyr Tudful to Aljaraque | 1,015.83 mi (1,634.82 km) |
| Merthyr Tudful to Almagro | 888.35 mi (1,429.67 km) |
| Merthyr Tudful to Almansa | 896.32 mi (1,442.49 km) |
| Merthyr Tudful to Almazora | 830.73 mi (1,336.92 km) |
| Merthyr Tudful to Almendralejo | 914.17 mi (1,471.21 km) |
| Merthyr Tudful to Almeria | 1,030.64 mi (1,658.65 km) |
| Merthyr Tudful to Almonte | 1,011.86 mi (1,628.42 km) |
| Merthyr Tudful to Almoradi | 950.28 mi (1,529.33 km) |
| Merthyr Tudful to Almunecar | 1,037.14 mi (1,669.12 km) |
| Merthyr Tudful to Almusafes | 872.08 mi (1,403.48 km) |
| Merthyr Tudful to Alovera | 770.16 mi (1,239.45 km) |
| Merthyr Tudful to Alpedrete | 766.51 mi (1,233.58 km) |
| Merthyr Tudful to Altea | 922.27 mi (1,484.26 km) |
