| Boston to Barberino di Mugello | 804.45 mi (1,294.63 km) |
| Boston to Barcellona-Pozzo di Gotto | 1,256.29 mi (2,021.81 km) |
| Boston to Bareggio | 657.88 mi (1,058.75 km) |
| Boston to Barga | 778.74 mi (1,253.27 km) |
| Boston to Bari | 1,135.69 mi (1,827.72 km) |
| Boston to Barletta | 1,106.61 mi (1,780.91 km) |
| Boston to Baronissi | 1,092.02 mi (1,757.44 km) |
| Boston to Barrafranca | 1,276.51 mi (2,054.34 km) |
| Boston to Bassano del Grappa | 724.76 mi (1,166.39 km) |
| Boston to Battipaglia | 1,105.70 mi (1,779.46 km) |
| Boston to Beinasco | 648.13 mi (1,043.07 km) |
| Boston to Bellinzago Novarese | 641.65 mi (1,032.64 km) |
| Boston to Belluno | 722.02 mi (1,161.98 km) |
| Boston to Belmonte Mezzagno | 1,213.96 mi (1,953.68 km) |
| Boston to Belpasso | 1,283.90 mi (2,066.24 km) |
