| South Sioux City to Kamen | 4,513.22 mi (7,263.33 km) |
| South Sioux City to Kamenz | 4,739.76 mi (7,627.91 km) |
| South Sioux City to Kamp-Lintfort | 4,478.63 mi (7,207.65 km) |
| South Sioux City to Kandel | 4,639.87 mi (7,467.16 km) |
| South Sioux City to Kappeln | 4,455.92 mi (7,171.11 km) |
| South Sioux City to Karben | 4,609.39 mi (7,418.09 km) |
| South Sioux City to Karlsdorf-Neuthard | 4,649.58 mi (7,482.78 km) |
| South Sioux City to Karlsfeld | 4,792.30 mi (7,712.46 km) |
| South Sioux City to Karlsruhe | 4,650.27 mi (7,483.88 km) |
| South Sioux City to Kassel | 4,586.75 mi (7,381.66 km) |
| South Sioux City to Kaufbeuren | 4,778.28 mi (7,689.90 km) |
| South Sioux City to Kaufering | 4,778.15 mi (7,689.70 km) |
| South Sioux City to Kaufungen | 4,592.30 mi (7,390.59 km) |
| South Sioux City to Kehl | 4,648.92 mi (7,481.72 km) |
| South Sioux City to Kelheim | 4,774.03 mi (7,683.06 km) |
