| Sioux City to Kirchlengern | 4,517.14 mi (7,269.64 km) |
| Sioux City to Kirchlinteln | 4,507.70 mi (7,254.44 km) |
| Sioux City to Kirchseeon | 4,810.89 mi (7,742.38 km) |
| Sioux City to Kirchzarten | 4,677.49 mi (7,527.70 km) |
| Sioux City to Kirkel | 4,594.78 mi (7,394.58 km) |
| Sioux City to Kissing | 4,769.33 mi (7,675.49 km) |
| Sioux City to Kisslegg | 4,753.97 mi (7,650.78 km) |
| Sioux City to Kitzingen | 4,676.75 mi (7,526.50 km) |
| Sioux City to Kleinblittersdorf | 4,593.28 mi (7,392.17 km) |
| Sioux City to Kleve | 4,450.61 mi (7,162.57 km) |
| Sioux City to Klipphausen | 4,727.48 mi (7,608.14 km) |
| Sioux City to Klotze | 4,581.20 mi (7,372.73 km) |
| Sioux City to Koblenz | 4,561.15 mi (7,340.47 km) |
| Sioux City to Kolbermoor | 4,827.39 mi (7,768.94 km) |
| Sioux City to Kolkwitz | 4,719.56 mi (7,595.39 km) |
