| Sioux City to Brzesko | 5,004.41 mi (8,053.83 km) |
| Sioux City to Brzeszcze | 4,957.48 mi (7,978.30 km) |
| Sioux City to Brzeziny | 4,887.09 mi (7,865.01 km) |
| Sioux City to Brzozow | 5,060.50 mi (8,144.08 km) |
| Sioux City to Bukowno | 4,953.95 mi (7,972.62 km) |
| Sioux City to Busko-Zdroj | 4,982.44 mi (8,018.46 km) |
| Sioux City to Bydgoszcz | 4,770.49 mi (7,677.36 km) |
| Sioux City to Bystrzyca Klodzka | 4,864.27 mi (7,828.28 km) |
| Sioux City to Bytom | 4,933.06 mi (7,939.00 km) |
| Sioux City to Bytow | 4,707.38 mi (7,575.79 km) |
| Sioux City to Chelm | 5,030.65 mi (8,096.05 km) |
| Sioux City to Chelmek | 4,954.83 mi (7,974.04 km) |
| Sioux City to Chelmno | 4,772.10 mi (7,679.96 km) |
| Sioux City to Chelmza | 4,785.40 mi (7,701.35 km) |
| Sioux City to Chodziez | 4,744.06 mi (7,634.82 km) |
