| South Sioux City to Kecskemet | 5,131.00 mi (8,257.55 km) |
| South Sioux City to Kerepestarcsa | 5,085.12 mi (8,183.72 km) |
| South Sioux City to Keszthely | 5,057.32 mi (8,138.96 km) |
| South Sioux City to Kiskoros | 5,132.06 mi (8,259.25 km) |
| South Sioux City to Kiskunfelegyhaza | 5,146.29 mi (8,282.16 km) |
| South Sioux City to Kiskunhalas | 5,148.19 mi (8,285.21 km) |
| South Sioux City to Kiskunlachaza | 5,094.43 mi (8,198.69 km) |
| South Sioux City to Kiskunmajsa | 5,153.30 mi (8,293.43 km) |
| South Sioux City to Kisujszallas | 5,150.06 mi (8,288.22 km) |
| South Sioux City to Kisvarda | 5,140.65 mi (8,273.08 km) |
| South Sioux City to Komarom | 5,038.61 mi (8,108.86 km) |
| South Sioux City to Komlo | 5,119.61 mi (8,239.22 km) |
| South Sioux City to Kormend | 5,024.06 mi (8,085.44 km) |
| South Sioux City to Koszeg | 5,004.27 mi (8,053.59 km) |
| South Sioux City to Lajosmizse | 5,120.69 mi (8,240.96 km) |
