| Portsmouth to Aulnay-sous-Bois | 204.96 mi (329.86 km) |
| Portsmouth to Aulnoye-Aymeries | 220.23 mi (354.43 km) |
| Portsmouth to Auray | 233.04 mi (375.05 km) |
| Portsmouth to Aurillac | 437.79 mi (704.56 km) |
| Portsmouth to Auriol | 602.67 mi (969.90 km) |
| Portsmouth to Auterive | 528.95 mi (851.27 km) |
| Portsmouth to Autun | 361.51 mi (581.79 km) |
| Portsmouth to Auxerre | 295.09 mi (474.91 km) |
| Portsmouth to Avignon | 547.72 mi (881.47 km) |
| Portsmouth to Avion | 174.03 mi (280.07 km) |
| Portsmouth to Avon | 237.77 mi (382.65 km) |
| Portsmouth to Avranches | 147.07 mi (236.68 km) |
| Portsmouth to Avrille | 229.04 mi (368.60 km) |
| Portsmouth to Aytre | 322.78 mi (519.46 km) |
| Portsmouth to Bagneux | 205.49 mi (330.70 km) |
