| Merthyr Tudful to Arpajon | 330.65 mi (532.14 km) |
| Merthyr Tudful to Arques | 255.31 mi (410.89 km) |
| Merthyr Tudful to Arras | 285.71 mi (459.80 km) |
| Merthyr Tudful to Artigues-pres-Bordeaux | 493.56 mi (794.30 km) |
| Merthyr Tudful to Athis-Mons | 329.94 mi (530.99 km) |
| Merthyr Tudful to Aubagne | 716.78 mi (1,153.55 km) |
| Merthyr Tudful to Aubenas | 607.80 mi (978.16 km) |
| Merthyr Tudful to Aubergenville | 300.28 mi (483.25 km) |
| Merthyr Tudful to Aubervilliers | 320.47 mi (515.75 km) |
| Merthyr Tudful to Aubiere | 508.29 mi (818.02 km) |
| Merthyr Tudful to Aucamville | 600.69 mi (966.71 km) |
| Merthyr Tudful to Auch | 588.77 mi (947.53 km) |
| Merthyr Tudful to Auchel | 267.62 mi (430.69 km) |
| Merthyr Tudful to Audenge | 499.69 mi (804.17 km) |
| Merthyr Tudful to Audincourt | 543.21 mi (874.20 km) |
