| Challans to Aulnay-sous-Bois | 248.64 mi (400.15 km) |
| Challans to Aulnoye-Aymeries | 349.38 mi (562.27 km) |
| Challans to Auray | 76.81 mi (123.62 km) |
| Challans to Aurillac | 246.42 mi (396.58 km) |
| Challans to Auriol | 437.68 mi (704.37 km) |
| Challans to Auterive | 291.66 mi (469.37 km) |
| Challans to Autun | 291.62 mi (469.32 km) |
| Challans to Auxerre | 263.32 mi (423.77 km) |
| Challans to Avignon | 380.93 mi (613.06 km) |
| Challans to Avion | 326.80 mi (525.93 km) |
| Challans to Avon | 239.93 mi (386.13 km) |
| Challans to Avranches | 129.26 mi (208.02 km) |
| Challans to Avrille | 75.81 mi (122.00 km) |
| Challans to Aytre | 61.18 mi (98.46 km) |
| Challans to Bagneux | 236.58 mi (380.75 km) |
