| Dumbarton to Belvedere Marittimo | 1,462.82 mi (2,354.18 km) |
| Dumbarton to Benevento | 1,343.93 mi (2,162.85 km) |
| Dumbarton to Bergamo | 938.78 mi (1,510.81 km) |
| Dumbarton to Bernalda | 1,440.87 mi (2,318.86 km) |
| Dumbarton to Bertinoro | 1,095.96 mi (1,763.78 km) |
| Dumbarton to Besana in Brianza | 927.64 mi (1,492.89 km) |
| Dumbarton to Besozzo | 902.13 mi (1,451.84 km) |
| Dumbarton to Biancavilla | 1,551.60 mi (2,497.06 km) |
| Dumbarton to Biassono | 930.94 mi (1,498.21 km) |
| Dumbarton to Bibbiano | 1,019.18 mi (1,640.21 km) |
| Dumbarton to Bibbiena | 1,112.18 mi (1,789.89 km) |
| Dumbarton to Biella | 902.36 mi (1,452.21 km) |
| Dumbarton to Bisceglie | 1,388.90 mi (2,235.21 km) |
| Dumbarton to Bisignano | 1,480.67 mi (2,382.91 km) |
| Dumbarton to Bitetto | 1,408.10 mi (2,266.12 km) |
