| Dumbarton to Trezzo sull'Adda | 939.39 mi (1,511.80 km) |
| Dumbarton to Tricase | 1,519.40 mi (2,445.24 km) |
| Dumbarton to Trieste | 1,065.29 mi (1,714.41 km) |
| Dumbarton to Triggiano | 1,411.32 mi (2,271.30 km) |
| Dumbarton to Trinitapoli | 1,370.61 mi (2,205.79 km) |
| Dumbarton to Trissino | 995.24 mi (1,601.68 km) |
| Dumbarton to Triuggio | 929.06 mi (1,495.17 km) |
| Dumbarton to Trofarello | 928.05 mi (1,493.55 km) |
| Dumbarton to Troina | 1,536.46 mi (2,472.69 km) |
| Dumbarton to Turin | 920.93 mi (1,482.09 km) |
| Dumbarton to Udine | 1,026.62 mi (1,652.18 km) |
| Dumbarton to Ugento | 1,513.24 mi (2,435.32 km) |
| Dumbarton to Umbertide | 1,149.64 mi (1,850.17 km) |
| Dumbarton to Urbino | 1,134.44 mi (1,825.71 km) |
| Dumbarton to Urgnano | 944.96 mi (1,520.77 km) |
