| Port Huron to Borgosatollo | 4,316.77 mi (6,947.17 km) |
| Port Huron to Borgosesia | 4,228.36 mi (6,804.89 km) |
| Port Huron to Boscoreale | 4,682.11 mi (7,535.13 km) |
| Port Huron to Boscotrecase | 4,680.72 mi (7,532.88 km) |
| Port Huron to Botticino Sera | 4,314.27 mi (6,943.14 km) |
| Port Huron to Bovalino Marina | 4,865.81 mi (7,830.76 km) |
| Port Huron to Boves | 4,252.01 mi (6,842.94 km) |
| Port Huron to Boville Ernica | 4,602.91 mi (7,407.67 km) |
| Port Huron to Bovisio Masciago | 4,267.69 mi (6,868.18 km) |
| Port Huron to Bovolone | 4,361.30 mi (7,018.83 km) |
| Port Huron to Bra | 4,250.26 mi (6,840.13 km) |
| Port Huron to Bracciano | 4,531.52 mi (7,292.77 km) |
| Port Huron to Brandizzo | 4,231.57 mi (6,810.05 km) |
| Port Huron to Breganze | 4,360.62 mi (7,017.74 km) |
| Port Huron to Brembate | 4,284.36 mi (6,895.02 km) |
