| Thornton Heath to Archdale (North Carolina) | 3,925.51 mi (6,317.50 km) |
| Thornton Heath to Arden-Arcade (California) | 5,281.46 mi (8,499.68 km) |
| Thornton Heath to Ardmore (Oklahoma) | 4,691.61 mi (7,550.42 km) |
| Thornton Heath to Ardmore (Pennsylvania) | 3,547.87 mi (5,709.74 km) |
| Thornton Heath to Arecibo (Puerto Rico) | 4,227.06 mi (6,802.80 km) |
| Thornton Heath to Arkadelphia (Arkansas) | 4,538.49 mi (7,304.00 km) |
| Thornton Heath to Arkansas City (Kansas) | 4,541.39 mi (7,308.66 km) |
| Thornton Heath to Arlington (Tennessee) | 4,348.06 mi (6,997.53 km) |
| Thornton Heath to Arlington (Texas) | 4,768.67 mi (7,674.43 km) |
| Thornton Heath to Arlington (Virginia) | 3,671.65 mi (5,908.95 km) |
| Thornton Heath to Arlington (Washington) | 4,753.60 mi (7,650.19 km) |
| Thornton Heath to Arlington Heights (Illinois) | 3,955.09 mi (6,365.10 km) |
| Thornton Heath to Arnold (Maryland) | 3,639.57 mi (5,857.32 km) |
| Thornton Heath to Arnold (Missouri) | 4,220.61 mi (6,792.42 km) |
| Thornton Heath to Arroyo Grande (California) | 5,458.21 mi (8,784.13 km) |
