| Dumbarton to Benisa | 1,209.67 mi (1,946.78 km) |
| Dumbarton to Berga | 999.02 mi (1,607.76 km) |
| Dumbarton to Berja | 1,322.17 mi (2,127.83 km) |
| Dumbarton to Bermeo | 869.56 mi (1,399.42 km) |
| Dumbarton to Berriozar | 915.18 mi (1,472.84 km) |
| Dumbarton to Betanzos | 890.22 mi (1,432.67 km) |
| Dumbarton to Betera | 1,145.66 mi (1,843.77 km) |
| Dumbarton to Bilbao | 880.02 mi (1,416.26 km) |
| Dumbarton to Binefar | 998.36 mi (1,606.70 km) |
| Dumbarton to Binisalem | 1,173.59 mi (1,888.71 km) |
| Dumbarton to Blanes | 1,040.24 mi (1,674.10 km) |
| Dumbarton to Boadilla del Monte | 1,074.38 mi (1,729.05 km) |
| Dumbarton to Boiro | 938.98 mi (1,511.15 km) |
| Dumbarton to Bolanos de Calatrava | 1,179.86 mi (1,898.79 km) |
| Dumbarton to Bollullos de la Mitacion | 1,288.35 mi (2,073.40 km) |
