| Boston to Bougival | 299.06 mi (481.29 km) |
| Boston to Bouguenais | 406.71 mi (654.53 km) |
| Boston to Boulogne-Billancourt | 302.44 mi (486.72 km) |
| Boston to Boulogne-sur-Mer | 170.26 mi (274.01 km) |
| Boston to Bourg-de-Peage | 594.20 mi (956.27 km) |
| Boston to Bourg-en-Bresse | 523.11 mi (841.87 km) |
| Boston to Bourg-la-Reine | 307.14 mi (494.30 km) |
| Boston to Bourg-les-Valence | 597.40 mi (961.42 km) |
| Boston to Bourges | 420.78 mi (677.18 km) |
| Boston to Bourgoin-Jallieu | 563.12 mi (906.25 km) |
| Boston to Bressuire | 424.33 mi (682.89 km) |
| Boston to Brest | 372.11 mi (598.85 km) |
| Boston to Bretigny-sur-Orge | 318.06 mi (511.87 km) |
| Boston to Breuillet | 319.23 mi (513.76 km) |
| Boston to Briancon | 634.04 mi (1,020.38 km) |
