| Boston to Borgosatollo | 693.48 mi (1,116.05 km) |
| Boston to Borgosesia | 624.13 mi (1,004.44 km) |
| Boston to Boscoreale | 1,082.41 mi (1,741.97 km) |
| Boston to Boscotrecase | 1,080.97 mi (1,739.66 km) |
| Boston to Botticino Sera | 690.17 mi (1,110.72 km) |
| Boston to Bovalino Marina | 1,282.99 mi (2,064.78 km) |
| Boston to Boves | 688.95 mi (1,108.76 km) |
| Boston to Boville Ernica | 1,002.26 mi (1,612.98 km) |
| Boston to Bovisio Masciago | 654.06 mi (1,052.61 km) |
| Boston to Bovolone | 732.76 mi (1,179.26 km) |
| Boston to Bra | 673.61 mi (1,084.07 km) |
| Boston to Bracciano | 939.92 mi (1,512.66 km) |
| Boston to Brandizzo | 644.75 mi (1,037.62 km) |
| Boston to Breganze | 722.77 mi (1,163.18 km) |
| Boston to Brembate | 666.41 mi (1,072.49 km) |
