| Port Huron to Boppard | 4,035.96 mi (6,495.25 km) |
| Port Huron to Borgentreich | 4,050.53 mi (6,518.70 km) |
| Port Huron to Borgholzhausen | 3,996.85 mi (6,432.31 km) |
| Port Huron to Borken | 3,953.13 mi (6,361.94 km) |
| Port Huron to Borna | 4,185.84 mi (6,736.45 km) |
| Port Huron to Bornheim | 3,995.26 mi (6,429.76 km) |
| Port Huron to Bosel | 3,953.08 mi (6,361.87 km) |
| Port Huron to Bottrop | 3,965.76 mi (6,382.27 km) |
| Port Huron to Bovenden | 4,074.38 mi (6,557.08 km) |
| Port Huron to Brackenheim | 4,133.71 mi (6,652.56 km) |
| Port Huron to Brake | 3,960.96 mi (6,374.55 km) |
| Port Huron to Brakel | 4,042.74 mi (6,506.16 km) |
| Port Huron to Bramsche | 3,974.88 mi (6,396.95 km) |
| Port Huron to Brand | 3,963.81 mi (6,379.13 km) |
| Port Huron to Brand-Erbisdorf | 4,225.09 mi (6,799.63 km) |
