| Dumbarton to Arcore | 932.33 mi (1,500.45 km) |
| Dumbarton to Ardea | 1,252.94 mi (2,016.41 km) |
| Dumbarton to Arenzano | 986.35 mi (1,587.38 km) |
| Dumbarton to Arese | 930.15 mi (1,496.93 km) |
| Dumbarton to Arezzo | 1,127.40 mi (1,814.38 km) |
| Dumbarton to Argelato | 1,049.38 mi (1,688.82 km) |
| Dumbarton to Argenta | 1,061.29 mi (1,707.98 km) |
| Dumbarton to Ariano Irpino | 1,351.71 mi (2,175.37 km) |
| Dumbarton to Ariccia | 1,250.29 mi (2,012.15 km) |
| Dumbarton to Arluno | 929.36 mi (1,495.66 km) |
| Dumbarton to Arona | 904.54 mi (1,455.72 km) |
| Dumbarton to Artena | 1,256.24 mi (2,021.72 km) |
| Dumbarton to Arzachena | 1,204.37 mi (1,938.25 km) |
| Dumbarton to Arzano | 1,341.60 mi (2,159.10 km) |
| Dumbarton to Arzignano | 996.96 mi (1,604.46 km) |
