| Duluth to Bonham (Texas) | 935.59 mi (1,505.68 km) |
| Duluth to Bonita (California) | 1,631.46 mi (2,625.59 km) |
| Duluth to Bonita Springs (Florida) | 1,520.20 mi (2,446.53 km) |
| Duluth to Bonney Lake (Washington) | 1,407.20 mi (2,264.67 km) |
| Duluth to Boone (Iowa) | 337.35 mi (542.91 km) |
| Duluth to Boone (North Carolina) | 907.41 mi (1,460.34 km) |
| Duluth to Borger (Texas) | 904.96 mi (1,456.39 km) |
| Duluth to Bossier City (Louisiana) | 988.09 mi (1,590.18 km) |
| Duluth to Boston (Massachusetts) | 1,077.74 mi (1,734.46 km) |
| Duluth to Bostonia (California) | 1,620.68 mi (2,608.23 km) |
| Duluth to Bothell (Washington) | 1,402.21 mi (2,256.64 km) |
| Duluth to Bothell East (Washington) | 1,400.96 mi (2,254.63 km) |
| Duluth to Bothell West (Washington) | 1,403.53 mi (2,258.76 km) |
| Duluth to Boulder (Colorado) | 805.09 mi (1,295.67 km) |
| Duluth to Boulder City (Nevada) | 1,395.44 mi (2,245.74 km) |
