| Dumbarton to Bougival | 564.68 mi (908.76 km) |
| Dumbarton to Bouguenais | 619.03 mi (996.24 km) |
| Dumbarton to Boulogne-Billancourt | 568.63 mi (915.13 km) |
| Dumbarton to Boulogne-sur-Mer | 441.55 mi (710.60 km) |
| Dumbarton to Bourg-de-Peage | 862.52 mi (1,388.10 km) |
| Dumbarton to Bourg-en-Bresse | 794.60 mi (1,278.79 km) |
| Dumbarton to Bourg-la-Reine | 573.60 mi (923.12 km) |
| Dumbarton to Bourg-les-Valence | 864.92 mi (1,391.96 km) |
| Dumbarton to Bourges | 680.99 mi (1,095.96 km) |
| Dumbarton to Bourgoin-Jallieu | 833.44 mi (1,341.29 km) |
| Dumbarton to Bressuire | 653.24 mi (1,051.29 km) |
| Dumbarton to Brest | 522.36 mi (840.65 km) |
| Dumbarton to Bretigny-sur-Orge | 583.73 mi (939.42 km) |
| Dumbarton to Breuillet | 583.74 mi (939.44 km) |
| Dumbarton to Briancon | 906.62 mi (1,459.07 km) |
