| Thornton Heath to Amersham | 28.59 mi (46.01 km) |
| Thornton Heath to Amesbury | 73.91 mi (118.95 km) |
| Thornton Heath to Ammanford | 168.96 mi (271.91 km) |
| Thornton Heath to Ampthill | 46.25 mi (74.43 km) |
| Thornton Heath to Andover | 60.71 mi (97.70 km) |
| Thornton Heath to Annan | 279.87 mi (450.40 km) |
| Thornton Heath to Antrim | 341.28 mi (549.24 km) |
| Thornton Heath to Appleton | 169.44 mi (272.69 km) |
| Thornton Heath to Appley Bridge | 186.36 mi (299.93 km) |
| Thornton Heath to Arbroath | 370.45 mi (596.18 km) |
| Thornton Heath to Ardrossan | 350.87 mi (564.67 km) |
| Thornton Heath to Armadale | 343.77 mi (553.25 km) |
| Thornton Heath to Armthorpe | 152.76 mi (245.85 km) |
| Thornton Heath to Arnold | 118.97 mi (191.46 km) |
| Thornton Heath to Ascot | 24.23 mi (39.00 km) |
