| Gaithersburg to Amersham | 3,638.50 mi (5,855.59 km) |
| Gaithersburg to Amesbury | 3,601.18 mi (5,795.54 km) |
| Gaithersburg to Ammanford | 3,497.45 mi (5,628.61 km) |
| Gaithersburg to Ampthill | 3,635.49 mi (5,850.75 km) |
| Gaithersburg to Andover | 3,612.78 mi (5,814.21 km) |
| Gaithersburg to Annan | 3,469.18 mi (5,583.10 km) |
| Gaithersburg to Antrim | 3,359.48 mi (5,406.55 km) |
| Gaithersburg to Appleton | 3,526.48 mi (5,675.32 km) |
| Gaithersburg to Appley Bridge | 3,515.21 mi (5,657.18 km) |
| Gaithersburg to Arbroath | 3,469.13 mi (5,583.02 km) |
| Gaithersburg to Ardrossan | 3,399.66 mi (5,471.22 km) |
| Gaithersburg to Armadale | 3,437.69 mi (5,532.42 km) |
| Gaithersburg to Armthorpe | 3,581.85 mi (5,764.43 km) |
| Gaithersburg to Arnold | 3,589.52 mi (5,776.77 km) |
| Gaithersburg to Ascot | 3,641.61 mi (5,860.60 km) |
