| Harrow on the Hill to Aulnay-sous-Bois | 220.19 mi (354.36 km) |
| Harrow on the Hill to Aulnoye-Aymeries | 204.54 mi (329.17 km) |
| Harrow on the Hill to Auray | 294.22 mi (473.50 km) |
| Harrow on the Hill to Aurillac | 476.06 mi (766.15 km) |
| Harrow on the Hill to Auriol | 630.59 mi (1,014.84 km) |
| Harrow on the Hill to Auterive | 573.81 mi (923.46 km) |
| Harrow on the Hill to Autun | 380.96 mi (613.10 km) |
| Harrow on the Hill to Auxerre | 313.17 mi (503.99 km) |
| Harrow on the Hill to Avignon | 577.46 mi (929.33 km) |
| Harrow on the Hill to Avion | 159.14 mi (256.11 km) |
| Harrow on the Hill to Avon | 256.89 mi (413.42 km) |
| Harrow on the Hill to Avranches | 204.16 mi (328.57 km) |
| Harrow on the Hill to Avrille | 280.66 mi (451.67 km) |
| Harrow on the Hill to Aytre | 376.94 mi (606.63 km) |
| Harrow on the Hill to Bagneux | 224.16 mi (360.76 km) |
