| Dumbarton to Argentona | 1,042.70 mi (1,678.06 km) |
| Dumbarton to Arico el Nuevo | 2,006.73 mi (3,229.53 km) |
| Dumbarton to Armilla | 1,299.71 mi (2,091.68 km) |
| Dumbarton to Arnedo | 955.27 mi (1,537.35 km) |
| Dumbarton to Arona | 2,015.50 mi (3,243.63 km) |
| Dumbarton to Arrecife | 1,916.42 mi (3,084.18 km) |
| Dumbarton to Arrigorriaga | 883.55 mi (1,421.93 km) |
| Dumbarton to Arroyomolinos | 1,084.03 mi (1,744.58 km) |
| Dumbarton to Arteijo | 891.01 mi (1,433.95 km) |
| Dumbarton to Arucas | 1,997.96 mi (3,215.41 km) |
| Dumbarton to Aspe | 1,228.91 mi (1,977.73 km) |
| Dumbarton to Astorga | 934.53 mi (1,503.99 km) |
| Dumbarton to Atarfe | 1,294.56 mi (2,083.39 km) |
| Dumbarton to Avila | 1,057.14 mi (1,701.30 km) |
| Dumbarton to Aviles | 858.38 mi (1,381.44 km) |
