| Duluth to Borgosatollo | 4,517.47 mi (7,270.16 km) |
| Duluth to Borgosesia | 4,435.54 mi (7,138.31 km) |
| Duluth to Boscoreale | 4,897.82 mi (7,882.28 km) |
| Duluth to Boscotrecase | 4,896.39 mi (7,879.98 km) |
| Duluth to Botticino Sera | 4,514.55 mi (7,265.47 km) |
| Duluth to Bovalino Marina | 5,090.97 mi (8,193.12 km) |
| Duluth to Boves | 4,472.89 mi (7,198.42 km) |
| Duluth to Boville Ernica | 4,817.24 mi (7,752.60 km) |
| Duluth to Bovisio Masciago | 4,471.94 mi (7,196.89 km) |
| Duluth to Bovolone | 4,559.88 mi (7,338.41 km) |
| Duluth to Bra | 4,467.06 mi (7,189.04 km) |
| Duluth to Bracciano | 4,748.55 mi (7,642.05 km) |
| Duluth to Brandizzo | 4,444.74 mi (7,153.12 km) |
| Duluth to Breganze | 4,553.91 mi (7,328.82 km) |
| Duluth to Brembate | 4,487.05 mi (7,221.20 km) |
