| Gainsborough to Amersham | 119.37 mi (192.11 km) |
| Gainsborough to Amesbury | 159.75 mi (257.09 km) |
| Gainsborough to Ammanford | 174.62 mi (281.02 km) |
| Gainsborough to Ampthill | 95.76 mi (154.11 km) |
| Gainsborough to Andover | 154.47 mi (248.60 km) |
| Gainsborough to Annan | 148.62 mi (239.18 km) |
| Gainsborough to Antrim | 238.24 mi (383.41 km) |
| Gainsborough to Appleton | 73.08 mi (117.60 km) |
| Gainsborough to Appley Bridge | 81.00 mi (130.36 km) |
| Gainsborough to Arbroath | 229.80 mi (369.83 km) |
| Gainsborough to Ardrossan | 223.96 mi (360.43 km) |
| Gainsborough to Armadale | 208.48 mi (335.51 km) |
| Gainsborough to Armthorpe | 14.73 mi (23.70 km) |
| Gainsborough to Arnold | 31.07 mi (50.00 km) |
| Gainsborough to Ascot | 137.78 mi (221.74 km) |
