| Round Rock to Amersham | 4,875.16 mi (7,845.81 km) |
| Round Rock to Amesbury | 4,843.59 mi (7,795.01 km) |
| Round Rock to Ammanford | 4,739.01 mi (7,626.70 km) |
| Round Rock to Ampthill | 4,869.33 mi (7,836.43 km) |
| Round Rock to Andover | 4,854.42 mi (7,812.44 km) |
| Round Rock to Annan | 4,683.45 mi (7,537.29 km) |
| Round Rock to Antrim | 4,580.77 mi (7,372.03 km) |
| Round Rock to Appleton | 4,753.56 mi (7,650.11 km) |
| Round Rock to Appley Bridge | 4,740.71 mi (7,629.44 km) |
| Round Rock to Arbroath | 4,667.37 mi (7,511.40 km) |
| Round Rock to Ardrossan | 4,610.36 mi (7,419.66 km) |
| Round Rock to Armadale | 4,644.22 mi (7,474.14 km) |
| Round Rock to Armthorpe | 4,804.76 mi (7,732.51 km) |
| Round Rock to Arnold | 4,816.89 mi (7,752.04 km) |
| Round Rock to Ascot | 4,880.36 mi (7,854.19 km) |
