| Boston to Brie-Comte-Robert | 317.29 mi (510.63 km) |
| Boston to Brignais | 548.02 mi (881.95 km) |
| Boston to Brignoles | 717.39 mi (1,154.53 km) |
| Boston to Brive-la-Gaillarde | 544.54 mi (876.35 km) |
| Boston to Bron | 546.67 mi (879.77 km) |
| Boston to Bruay-sur-l'Escaut | 234.33 mi (377.11 km) |
| Boston to Bruges | 559.69 mi (900.73 km) |
| Boston to Brumath | 446.32 mi (718.28 km) |
| Boston to Brunoy | 315.29 mi (507.40 km) |
| Boston to Bruz | 350.23 mi (563.65 km) |
| Boston to Bry-sur-Marne | 306.26 mi (492.87 km) |
| Boston to Bully-les-Mines | 210.75 mi (339.16 km) |
| Boston to Bures-sur-Yvette | 310.46 mi (499.64 km) |
| Boston to Bussy-Saint-Georges | 309.04 mi (497.35 km) |
| Boston to Buxerolles | 440.88 mi (709.53 km) |
