| Caernarfon to Aulnay-sous-Bois | 412.62 mi (664.05 km) |
| Caernarfon to Aulnoye-Aymeries | 401.85 mi (646.71 km) |
| Caernarfon to Auray | 382.30 mi (615.26 km) |
| Caernarfon to Aurillac | 643.15 mi (1,035.05 km) |
| Caernarfon to Auriol | 812.73 mi (1,307.96 km) |
| Caernarfon to Auterive | 725.63 mi (1,167.80 km) |
| Caernarfon to Autun | 571.40 mi (919.58 km) |
| Caernarfon to Auxerre | 504.40 mi (811.75 km) |
| Caernarfon to Avignon | 757.36 mi (1,218.86 km) |
| Caernarfon to Avion | 357.24 mi (574.92 km) |
| Caernarfon to Avon | 447.11 mi (719.55 km) |
| Caernarfon to Avranches | 332.91 mi (535.77 km) |
| Caernarfon to Avrille | 421.58 mi (678.47 km) |
| Caernarfon to Aytre | 504.10 mi (811.27 km) |
| Caernarfon to Bagneux | 414.46 mi (667.01 km) |
