| Port Huron to Brescia | 4,313.53 mi (6,941.95 km) |
| Port Huron to Bressanone | 4,324.01 mi (6,958.82 km) |
| Port Huron to Bresso | 4,272.24 mi (6,875.51 km) |
| Port Huron to Brindisi | 4,828.09 mi (7,770.05 km) |
| Port Huron to Broni | 4,293.62 mi (6,909.92 km) |
| Port Huron to Bronte | 4,826.01 mi (7,766.71 km) |
| Port Huron to Brugherio | 4,276.29 mi (6,882.03 km) |
| Port Huron to Brugnera | 4,390.63 mi (7,066.04 km) |
| Port Huron to Bruino | 4,222.53 mi (6,795.50 km) |
| Port Huron to Brunico | 4,331.66 mi (6,971.13 km) |
| Port Huron to Brusciano | 4,672.96 mi (7,520.40 km) |
| Port Huron to Bucine | 4,451.67 mi (7,164.28 km) |
| Port Huron to Budrio | 4,405.23 mi (7,089.53 km) |
| Port Huron to Busca | 4,241.57 mi (6,826.14 km) |
| Port Huron to Bussolengo | 4,341.45 mi (6,986.89 km) |
