| Dumbarton to Bitonto | 1,401.39 mi (2,255.33 km) |
| Dumbarton to Bitritto | 1,409.71 mi (2,268.70 km) |
| Dumbarton to Bollate | 931.52 mi (1,499.14 km) |
| Dumbarton to Bologna | 1,053.81 mi (1,695.94 km) |
| Dumbarton to Bolzano | 945.09 mi (1,520.98 km) |
| Dumbarton to Bomporto | 1,031.49 mi (1,660.02 km) |
| Dumbarton to Bonate di Sopra | 936.52 mi (1,507.18 km) |
| Dumbarton to Bondeno | 1,034.23 mi (1,664.43 km) |
| Dumbarton to Bordighera | 998.50 mi (1,606.93 km) |
| Dumbarton to Borgaro Torinese | 916.08 mi (1,474.29 km) |
| Dumbarton to Borgo a Buggiano | 1,071.37 mi (1,724.21 km) |
| Dumbarton to Borgo San Dalmazzo | 960.80 mi (1,546.26 km) |
| Dumbarton to Borgo San Lorenzo | 1,085.69 mi (1,747.25 km) |
| Dumbarton to Borgomanero | 905.28 mi (1,456.92 km) |
| Dumbarton to Borgoricco | 1,016.03 mi (1,635.14 km) |
