| Castle Rock to Amersham | 4,676.49 mi (7,526.08 km) |
| Castle Rock to Amesbury | 4,655.56 mi (7,492.40 km) |
| Castle Rock to Ammanford | 4,552.57 mi (7,326.65 km) |
| Castle Rock to Ampthill | 4,666.22 mi (7,509.56 km) |
| Castle Rock to Andover | 4,664.74 mi (7,507.17 km) |
| Castle Rock to Annan | 4,456.67 mi (7,172.32 km) |
| Castle Rock to Antrim | 4,367.30 mi (7,028.49 km) |
| Castle Rock to Appleton | 4,543.30 mi (7,311.74 km) |
| Castle Rock to Appley Bridge | 4,528.46 mi (7,287.85 km) |
| Castle Rock to Arbroath | 4,419.67 mi (7,112.78 km) |
| Castle Rock to Ardrossan | 4,380.99 mi (7,050.53 km) |
| Castle Rock to Armadale | 4,408.11 mi (7,094.16 km) |
| Castle Rock to Armthorpe | 4,586.66 mi (7,381.52 km) |
| Castle Rock to Arnold | 4,605.17 mi (7,411.31 km) |
| Castle Rock to Ascot | 4,685.03 mi (7,539.82 km) |
