| Duluth to Belvedere Marittimo | 5,005.71 mi (8,055.92 km) |
| Duluth to Benevento | 4,890.46 mi (7,870.43 km) |
| Duluth to Bergamo | 4,486.92 mi (7,221.01 km) |
| Duluth to Bernalda | 4,994.74 mi (8,038.26 km) |
| Duluth to Bertinoro | 4,647.84 mi (7,479.97 km) |
| Duluth to Besana in Brianza | 4,472.86 mi (7,198.37 km) |
| Duluth to Besozzo | 4,443.82 mi (7,151.64 km) |
| Duluth to Biancavilla | 5,068.04 mi (8,156.23 km) |
| Duluth to Biassono | 4,475.35 mi (7,202.39 km) |
| Duluth to Bibbiano | 4,563.59 mi (7,344.39 km) |
| Duluth to Bibbiena | 4,658.08 mi (7,496.46 km) |
| Duluth to Biella | 4,435.18 mi (7,137.73 km) |
| Duluth to Bisceglie | 4,946.64 mi (7,960.85 km) |
| Duluth to Bisignano | 5,025.90 mi (8,088.40 km) |
| Duluth to Bitetto | 4,965.93 mi (7,991.89 km) |
