| Merthyr Tudful to Agen | 552.49 mi (889.15 km) |
| Merthyr Tudful to Aigues-Mortes | 664.99 mi (1,070.20 km) |
| Merthyr Tudful to Aire-sur-la-Lys | 261.36 mi (420.62 km) |
| Merthyr Tudful to Aix-en-Provence | 699.68 mi (1,126.03 km) |
| Merthyr Tudful to Aix-les-Bains | 594.51 mi (956.77 km) |
| Merthyr Tudful to Aizenay | 354.74 mi (570.90 km) |
| Merthyr Tudful to Ajaccio | 885.28 mi (1,424.73 km) |
| Merthyr Tudful to Albert | 289.02 mi (465.13 km) |
| Merthyr Tudful to Albertville | 610.73 mi (982.88 km) |
| Merthyr Tudful to Albi | 597.19 mi (961.09 km) |
| Merthyr Tudful to Alencon | 275.72 mi (443.72 km) |
| Merthyr Tudful to Ales | 628.61 mi (1,011.64 km) |
| Merthyr Tudful to Alfortville | 326.71 mi (525.79 km) |
| Merthyr Tudful to Allauch | 711.73 mi (1,145.42 km) |
| Merthyr Tudful to Allonnes | 304.64 mi (490.27 km) |
