| Duncan to Amersham | 4,676.34 mi (7,525.84 km) |
| Duncan to Amesbury | 4,647.60 mi (7,479.60 km) |
| Duncan to Ammanford | 4,543.07 mi (7,311.37 km) |
| Duncan to Ampthill | 4,669.26 mi (7,514.45 km) |
| Duncan to Andover | 4,658.01 mi (7,496.35 km) |
| Duncan to Annan | 4,476.31 mi (7,203.93 km) |
| Duncan to Antrim | 4,376.81 mi (7,043.80 km) |
| Duncan to Appleton | 4,551.12 mi (7,324.31 km) |
| Duncan to Appley Bridge | 4,537.68 mi (7,302.69 km) |
| Duncan to Arbroath | 4,454.67 mi (7,169.10 km) |
| Duncan to Ardrossan | 4,402.26 mi (7,084.76 km) |
| Duncan to Armadale | 4,434.46 mi (7,136.58 km) |
| Duncan to Armthorpe | 4,600.38 mi (7,403.59 km) |
| Duncan to Arnold | 4,614.29 mi (7,425.97 km) |
| Duncan to Ascot | 4,682.48 mi (7,535.72 km) |
