| Duluth to Bitonto | 4,959.34 mi (7,981.29 km) |
| Duluth to Bitritto | 4,968.04 mi (7,995.29 km) |
| Duluth to Bollate | 4,473.83 mi (7,199.93 km) |
| Duluth to Bologna | 4,603.18 mi (7,408.10 km) |
| Duluth to Bolzano | 4,508.87 mi (7,256.32 km) |
| Duluth to Bomporto | 4,580.75 mi (7,372.01 km) |
| Duluth to Bonate di Sopra | 4,483.78 mi (7,215.94 km) |
| Duluth to Bondeno | 4,587.31 mi (7,382.57 km) |
| Duluth to Bordighera | 4,502.55 mi (7,246.16 km) |
| Duluth to Borgaro Torinese | 4,439.10 mi (7,144.04 km) |
| Duluth to Borgo a Buggiano | 4,610.25 mi (7,419.49 km) |
| Duluth to Borgo San Dalmazzo | 4,470.43 mi (7,194.46 km) |
| Duluth to Borgo San Lorenzo | 4,630.54 mi (7,452.13 km) |
| Duluth to Borgomanero | 4,443.52 mi (7,151.15 km) |
| Duluth to Borgoricco | 4,576.67 mi (7,365.44 km) |
