| Duluth to Barberino di Mugello | 4,622.90 mi (7,439.84 km) |
| Duluth to Barcellona-Pozzo di Gotto | 5,055.86 mi (8,136.61 km) |
| Duluth to Bareggio | 4,472.88 mi (7,198.41 km) |
| Duluth to Barga | 4,592.07 mi (7,390.22 km) |
| Duluth to Bari | 4,965.42 mi (7,991.07 km) |
| Duluth to Barletta | 4,935.04 mi (7,942.19 km) |
| Duluth to Baronissi | 4,909.27 mi (7,900.70 km) |
| Duluth to Barrafranca | 5,057.27 mi (8,138.89 km) |
| Duluth to Bassano del Grappa | 4,556.64 mi (7,333.21 km) |
| Duluth to Battipaglia | 4,923.44 mi (7,923.52 km) |
| Duluth to Beinasco | 4,442.76 mi (7,149.94 km) |
| Duluth to Bellinzago Novarese | 4,454.89 mi (7,169.45 km) |
| Duluth to Belluno | 4,555.79 mi (7,331.83 km) |
| Duluth to Belmonte Mezzagno | 4,992.30 mi (8,034.32 km) |
| Duluth to Belpasso | 5,075.77 mi (8,168.66 km) |
