| Boulder to Adel | 4,534.91 mi (7,298.23 km) |
| Boulder to Adwick le Street | 4,559.22 mi (7,337.36 km) |
| Boulder to Ainsdale | 4,495.78 mi (7,235.26 km) |
| Boulder to Airdrie | 4,378.20 mi (7,046.03 km) |
| Boulder to Aldenham | 4,664.93 mi (7,507.49 km) |
| Boulder to Aldershot | 4,668.42 mi (7,513.09 km) |
| Boulder to Aldridge | 4,573.36 mi (7,360.11 km) |
| Boulder to Alfreton | 4,571.89 mi (7,357.75 km) |
| Boulder to Allestree | 4,574.16 mi (7,361.41 km) |
| Boulder to Alloa | 4,374.67 mi (7,040.36 km) |
| Boulder to Almondbury | 4,537.98 mi (7,303.17 km) |
| Boulder to Alsager | 4,540.63 mi (7,307.44 km) |
| Boulder to Alton | 4,664.99 mi (7,507.57 km) |
| Boulder to Altrincham | 4,527.54 mi (7,286.38 km) |
| Boulder to Amblecote | 4,570.91 mi (7,356.17 km) |
