| Sioux City to Beyne-Heusay | 4,482.64 mi (7,214.11 km) |
| Sioux City to Bierbeek | 4,442.76 mi (7,149.93 km) |
| Sioux City to Bilzen | 4,467.57 mi (7,189.85 km) |
| Sioux City to Binche | 4,439.43 mi (7,144.57 km) |
| Sioux City to Bissegem | 4,388.81 mi (7,063.10 km) |
| Sioux City to Blankenberge | 4,365.85 mi (7,026.16 km) |
| Sioux City to Blegny | 4,483.46 mi (7,215.42 km) |
| Sioux City to Bocholt | 4,457.04 mi (7,172.91 km) |
| Sioux City to Boechout | 4,419.84 mi (7,113.05 km) |
| Sioux City to Bonheiden | 4,426.37 mi (7,123.55 km) |
| Sioux City to Boom | 4,418.49 mi (7,110.88 km) |
| Sioux City to Boortmeerbeek | 4,429.59 mi (7,128.73 km) |
| Sioux City to Borgerhout | 4,415.83 mi (7,106.60 km) |
| Sioux City to Borgloon | 4,464.20 mi (7,184.44 km) |
| Sioux City to Bornem | 4,413.14 mi (7,102.27 km) |
