| Sioux City to Blumberg | 4,703.95 mi (7,570.28 km) |
| Sioux City to Bobenheim-Roxheim | 4,621.18 mi (7,437.07 km) |
| Sioux City to Bobingen | 4,765.06 mi (7,668.63 km) |
| Sioux City to Boblingen | 4,683.48 mi (7,537.34 km) |
| Sioux City to Bocholt | 4,465.02 mi (7,185.76 km) |
| Sioux City to Bochum | 4,500.18 mi (7,242.34 km) |
| Sioux City to Bockenem | 4,574.80 mi (7,362.43 km) |
| Sioux City to Bockhorn | 4,445.79 mi (7,154.81 km) |
| Sioux City to Bogen | 4,799.26 mi (7,723.66 km) |
| Sioux City to Bohl-Iggelheim | 4,628.63 mi (7,449.06 km) |
| Sioux City to Bohmte | 4,499.51 mi (7,241.26 km) |
| Sioux City to Boizenburg | 4,534.35 mi (7,297.33 km) |
| Sioux City to Bonen | 4,513.63 mi (7,263.98 km) |
| Sioux City to Bonn | 4,528.01 mi (7,287.13 km) |
| Sioux City to Bopfingen | 4,722.34 mi (7,599.87 km) |
