| Sioux City to Kelkheim (Taunus) | 4,600.11 mi (7,403.15 km) |
| Sioux City to Kelsterbach | 4,606.22 mi (7,413.00 km) |
| Sioux City to Kemberg | 4,666.41 mi (7,509.86 km) |
| Sioux City to Kempen | 4,477.89 mi (7,206.47 km) |
| Sioux City to Kempten | 4,771.75 mi (7,679.39 km) |
| Sioux City to Kenzingen | 4,661.15 mi (7,501.39 km) |
| Sioux City to Kerpen | 4,508.21 mi (7,255.26 km) |
| Sioux City to Ketsch | 4,636.71 mi (7,462.07 km) |
| Sioux City to Kevelaer | 4,462.99 mi (7,182.49 km) |
| Sioux City to Kiel | 4,474.49 mi (7,200.99 km) |
| Sioux City to Kierspe | 4,526.95 mi (7,285.43 km) |
| Sioux City to Kirchhain | 4,586.49 mi (7,381.24 km) |
| Sioux City to Kirchheim bei Munchen | 4,801.64 mi (7,727.50 km) |
| Sioux City to Kirchheim unter Teck | 4,700.38 mi (7,564.53 km) |
| Sioux City to Kirchhundem | 4,545.96 mi (7,316.01 km) |
