| Gaithersburg to Ames | 3,483.73 mi (5,606.53 km) |
| Gaithersburg to Amorebieta | 3,752.16 mi (6,038.51 km) |
| Gaithersburg to Amposta | 3,979.11 mi (6,403.75 km) |
| Gaithersburg to Amurrio | 3,744.25 mi (6,025.80 km) |
| Gaithersburg to Andoain | 3,785.43 mi (6,092.06 km) |
| Gaithersburg to Andraitx | 4,101.23 mi (6,600.30 km) |
| Gaithersburg to Andujar | 3,837.28 mi (6,175.50 km) |
| Gaithersburg to Antequera | 3,843.13 mi (6,184.92 km) |
| Gaithersburg to Antigua | 3,631.59 mi (5,844.47 km) |
| Gaithersburg to Aranda de Duero | 3,749.73 mi (6,034.62 km) |
| Gaithersburg to Aranjuez | 3,800.24 mi (6,115.89 km) |
| Gaithersburg to Archena | 3,969.12 mi (6,387.68 km) |
| Gaithersburg to Arcos de la Frontera | 3,789.72 mi (6,098.96 km) |
| Gaithersburg to Arenys de Mar | 4,044.30 mi (6,508.67 km) |
| Gaithersburg to Arenys de Munt | 4,042.89 mi (6,506.39 km) |
