| Dumbarton to Barberino di Mugello | 1,078.70 mi (1,736.00 km) |
| Dumbarton to Barcellona-Pozzo di Gotto | 1,531.03 mi (2,463.96 km) |
| Dumbarton to Bareggio | 932.62 mi (1,500.91 km) |
| Dumbarton to Barga | 1,053.42 mi (1,695.32 km) |
| Dumbarton to Bari | 1,406.52 mi (2,263.57 km) |
| Dumbarton to Barletta | 1,378.03 mi (2,217.72 km) |
| Dumbarton to Baronissi | 1,365.85 mi (2,198.13 km) |
| Dumbarton to Barrafranca | 1,551.25 mi (2,496.49 km) |
| Dumbarton to Bassano del Grappa | 995.54 mi (1,602.16 km) |
| Dumbarton to Battipaglia | 1,379.45 mi (2,220.01 km) |
| Dumbarton to Beinasco | 922.31 mi (1,484.32 km) |
| Dumbarton to Bellinzago Novarese | 916.46 mi (1,474.91 km) |
| Dumbarton to Belluno | 990.64 mi (1,594.28 km) |
| Dumbarton to Belmonte Mezzagno | 1,488.58 mi (2,395.63 km) |
| Dumbarton to Belpasso | 1,558.74 mi (2,508.54 km) |
