| Dumbarton to Ames | 919.60 mi (1,479.95 km) |
| Dumbarton to Amorebieta | 883.35 mi (1,421.62 km) |
| Dumbarton to Amposta | 1,078.42 mi (1,735.55 km) |
| Dumbarton to Amurrio | 893.81 mi (1,438.45 km) |
| Dumbarton to Andoain | 887.01 mi (1,427.51 km) |
| Dumbarton to Andraitx | 1,175.60 mi (1,891.95 km) |
| Dumbarton to Andujar | 1,237.75 mi (1,991.96 km) |
| Dumbarton to Antequera | 1,308.05 mi (2,105.11 km) |
| Dumbarton to Antigua | 1,958.82 mi (3,152.41 km) |
| Dumbarton to Aranda de Duero | 986.53 mi (1,587.67 km) |
| Dumbarton to Aranjuez | 1,100.61 mi (1,771.27 km) |
| Dumbarton to Archena | 1,241.50 mi (1,998.00 km) |
| Dumbarton to Arcos de la Frontera | 1,327.84 mi (2,136.96 km) |
| Dumbarton to Arenys de Mar | 1,042.98 mi (1,678.51 km) |
| Dumbarton to Arenys de Munt | 1,040.78 mi (1,674.97 km) |
