| Sioux City to Jicin | 4,816.27 mi (7,751.03 km) |
| Sioux City to Jihlava | 4,873.12 mi (7,842.53 km) |
| Sioux City to Jindrichuv Hradec | 4,866.02 mi (7,831.10 km) |
| Sioux City to Jirkov | 4,751.59 mi (7,646.95 km) |
| Sioux City to Kadan | 4,751.53 mi (7,646.84 km) |
| Sioux City to Karlovy Vary | 4,745.09 mi (7,636.48 km) |
| Sioux City to Karvina | 4,945.68 mi (7,959.30 km) |
| Sioux City to Kladno | 4,789.15 mi (7,707.39 km) |
| Sioux City to Klasterec nad Ohri | 4,747.85 mi (7,640.93 km) |
| Sioux City to Klatovy | 4,797.64 mi (7,721.05 km) |
| Sioux City to Kolin | 4,830.68 mi (7,774.23 km) |
| Sioux City to Koprivnice | 4,945.59 mi (7,959.17 km) |
| Sioux City to Kralupy nad Vltavou | 4,791.80 mi (7,711.66 km) |
| Sioux City to Kraluv Dvur | 4,796.33 mi (7,718.95 km) |
| Sioux City to Krnov | 4,907.58 mi (7,897.98 km) |
