| Dumbarton to Trim | 187.74 mi (302.14 km) |
| Dumbarton to Tuam | 239.75 mi (385.84 km) |
| Dumbarton to Tullamore | 219.39 mi (353.07 km) |
| Dumbarton to Waterford | 275.44 mi (443.28 km) |
| Dumbarton to Wexford | 261.26 mi (420.46 km) |
| Dumbarton to Wicklow | 213.61 mi (343.78 km) |
| Dumbarton to Abano Terme | 1,019.13 mi (1,640.14 km) |
| Dumbarton to Abbiategrasso | 934.63 mi (1,504.14 km) |
| Dumbarton to Acate | 1,579.16 mi (2,541.41 km) |
| Dumbarton to Acerra | 1,342.52 mi (2,160.57 km) |
| Dumbarton to Aci Castello | 1,564.76 mi (2,518.24 km) |
| Dumbarton to Aci Catena | 1,561.75 mi (2,513.40 km) |
| Dumbarton to Aci Sant'Antonio | 1,561.31 mi (2,512.68 km) |
| Dumbarton to Acireale | 1,561.65 mi (2,513.23 km) |
| Dumbarton to Acquaviva delle Fonti | 1,418.62 mi (2,283.06 km) |
