| Sioux City to Kothen | 4,644.72 mi (7,474.96 km) |
| Sioux City to Kranenburg | 4,446.09 mi (7,155.29 km) |
| Sioux City to Krefeld | 4,484.31 mi (7,216.79 km) |
| Sioux City to Kressbronn am Bodensee | 4,752.66 mi (7,648.66 km) |
| Sioux City to Kreuzau | 4,506.39 mi (7,252.34 km) |
| Sioux City to Kreuztal | 4,547.72 mi (7,318.85 km) |
| Sioux City to Kriftel | 4,603.08 mi (7,407.95 km) |
| Sioux City to Kronach | 4,693.24 mi (7,553.05 km) |
| Sioux City to Kronberg | 4,599.85 mi (7,402.75 km) |
| Sioux City to Kronshagen | 4,472.29 mi (7,197.46 km) |
| Sioux City to Krumbach | 4,750.17 mi (7,644.65 km) |
| Sioux City to Kulmbach | 4,703.14 mi (7,568.97 km) |
| Sioux City to Kummersbruck | 4,749.29 mi (7,643.25 km) |
| Sioux City to Kunzell | 4,625.25 mi (7,443.62 km) |
| Sioux City to Kunzelsau | 4,680.19 mi (7,532.04 km) |
