| South Sioux City to Kelkheim (Taunus) | 4,602.57 mi (7,407.12 km) |
| South Sioux City to Kelsterbach | 4,608.68 mi (7,416.96 km) |
| South Sioux City to Kemberg | 4,668.91 mi (7,513.88 km) |
| South Sioux City to Kempen | 4,480.36 mi (7,210.44 km) |
| South Sioux City to Kempten | 4,774.20 mi (7,683.33 km) |
| South Sioux City to Kenzingen | 4,663.59 mi (7,505.32 km) |
| South Sioux City to Kerpen | 4,510.67 mi (7,259.22 km) |
| South Sioux City to Ketsch | 4,639.17 mi (7,466.02 km) |
| South Sioux City to Kevelaer | 4,465.46 mi (7,186.46 km) |
| South Sioux City to Kiel | 4,477.00 mi (7,205.03 km) |
| South Sioux City to Kierspe | 4,529.42 mi (7,289.40 km) |
| South Sioux City to Kirchhain | 4,588.96 mi (7,385.22 km) |
| South Sioux City to Kirchheim bei Munchen | 4,804.10 mi (7,731.46 km) |
| South Sioux City to Kirchheim unter Teck | 4,702.83 mi (7,568.48 km) |
| South Sioux City to Kirchhundem | 4,548.43 mi (7,319.99 km) |
