| Duluth to Boekel | 4,084.61 mi (6,573.54 km) |
| Duluth to Bolsward | 4,018.63 mi (6,467.36 km) |
| Duluth to Borger | 4,066.24 mi (6,543.97 km) |
| Duluth to Borne | 4,091.31 mi (6,584.32 km) |
| Duluth to Boskoop | 4,030.54 mi (6,486.53 km) |
| Duluth to Boxmeer | 4,092.09 mi (6,585.58 km) |
| Duluth to Boxtel | 4,073.99 mi (6,556.45 km) |
| Duluth to Breda | 4,054.74 mi (6,525.48 km) |
| Duluth to Breukelen | 4,038.08 mi (6,498.66 km) |
| Duluth to Brielle | 4,021.00 mi (6,471.17 km) |
| Duluth to Bronkhorst | 4,081.58 mi (6,568.66 km) |
| Duluth to Brummen | 4,080.46 mi (6,566.86 km) |
| Duluth to Brunssum | 4,122.47 mi (6,634.48 km) |
| Duluth to Bunnik | 4,050.99 mi (6,519.44 km) |
| Duluth to Burgum | 4,028.51 mi (6,483.26 km) |
