| South Sioux City to Kothen | 4,647.22 mi (7,478.98 km) |
| South Sioux City to Kranenburg | 4,448.56 mi (7,159.26 km) |
| South Sioux City to Krefeld | 4,486.77 mi (7,220.76 km) |
| South Sioux City to Kressbronn am Bodensee | 4,755.10 mi (7,652.59 km) |
| South Sioux City to Kreuzau | 4,508.85 mi (7,256.29 km) |
| South Sioux City to Kreuztal | 4,550.19 mi (7,322.82 km) |
| South Sioux City to Kriftel | 4,605.55 mi (7,411.91 km) |
| South Sioux City to Kronach | 4,695.72 mi (7,557.04 km) |
| South Sioux City to Kronberg | 4,602.32 mi (7,406.71 km) |
| South Sioux City to Kronshagen | 4,474.80 mi (7,201.49 km) |
| South Sioux City to Krumbach | 4,752.62 mi (7,648.60 km) |
| South Sioux City to Kulmbach | 4,705.61 mi (7,572.95 km) |
| South Sioux City to Kummersbruck | 4,751.77 mi (7,647.23 km) |
| South Sioux City to Kunzell | 4,627.73 mi (7,447.61 km) |
| South Sioux City to Kunzelsau | 4,682.65 mi (7,536.00 km) |
