| Merthyr Tudful to Aulnay-sous-Bois | 323.12 mi (520.02 km) |
| Merthyr Tudful to Aulnoye-Aymeries | 331.18 mi (532.98 km) |
| Merthyr Tudful to Auray | 282.12 mi (454.03 km) |
| Merthyr Tudful to Aurillac | 541.14 mi (870.88 km) |
| Merthyr Tudful to Auriol | 713.84 mi (1,148.82 km) |
| Merthyr Tudful to Auterive | 622.13 mi (1,001.22 km) |
| Merthyr Tudful to Autun | 478.08 mi (769.40 km) |
| Merthyr Tudful to Auxerre | 412.38 mi (663.66 km) |
| Merthyr Tudful to Avignon | 657.89 mi (1,058.77 km) |
| Merthyr Tudful to Avion | 284.81 mi (458.35 km) |
| Merthyr Tudful to Avon | 355.18 mi (571.61 km) |
| Merthyr Tudful to Avranches | 229.42 mi (369.22 km) |
| Merthyr Tudful to Avrille | 318.14 mi (511.99 km) |
| Merthyr Tudful to Aytre | 400.86 mi (645.13 km) |
| Merthyr Tudful to Bagneux | 323.22 mi (520.17 km) |
