| Duluth to Boppard | 4,209.10 mi (6,773.89 km) |
| Duluth to Borgentreich | 4,206.00 mi (6,768.90 km) |
| Duluth to Borgholzhausen | 4,151.27 mi (6,680.82 km) |
| Duluth to Borken | 4,115.13 mi (6,622.67 km) |
| Duluth to Borna | 4,332.51 mi (6,972.50 km) |
| Duluth to Bornheim | 4,166.11 mi (6,704.70 km) |
| Duluth to Bosel | 4,100.80 mi (6,599.59 km) |
| Duluth to Bottrop | 4,130.26 mi (6,647.02 km) |
| Duluth to Bovenden | 4,227.10 mi (6,802.86 km) |
| Duluth to Brackenheim | 4,310.68 mi (6,937.36 km) |
| Duluth to Brake | 4,103.87 mi (6,604.55 km) |
| Duluth to Brakel | 4,197.17 mi (6,754.70 km) |
| Duluth to Bramsche | 4,127.83 mi (6,643.10 km) |
| Duluth to Brand | 4,137.88 mi (6,659.27 km) |
| Duluth to Brand-Erbisdorf | 4,370.52 mi (7,033.67 km) |
