| South Sioux City to Kirchlengern | 4,519.63 mi (7,273.64 km) |
| South Sioux City to Kirchlinteln | 4,510.20 mi (7,258.46 km) |
| South Sioux City to Kirchseeon | 4,813.35 mi (7,746.34 km) |
| South Sioux City to Kirchzarten | 4,679.93 mi (7,531.62 km) |
| South Sioux City to Kirkel | 4,597.22 mi (7,398.52 km) |
| South Sioux City to Kissing | 4,771.79 mi (7,679.45 km) |
| South Sioux City to Kisslegg | 4,756.42 mi (7,654.72 km) |
| South Sioux City to Kitzingen | 4,679.22 mi (7,530.47 km) |
| South Sioux City to Kleinblittersdorf | 4,595.72 mi (7,396.10 km) |
| South Sioux City to Kleve | 4,453.08 mi (7,166.54 km) |
| South Sioux City to Klipphausen | 4,729.97 mi (7,612.16 km) |
| South Sioux City to Klotze | 4,583.70 mi (7,376.75 km) |
| South Sioux City to Koblenz | 4,563.62 mi (7,344.43 km) |
| South Sioux City to Kolbermoor | 4,829.85 mi (7,772.90 km) |
| South Sioux City to Kolkwitz | 4,722.06 mi (7,599.42 km) |
