| Sioux City to Kecskemet | 5,128.51 mi (8,253.54 km) |
| Sioux City to Kerepestarcsa | 5,082.63 mi (8,179.70 km) |
| Sioux City to Keszthely | 5,054.83 mi (8,134.97 km) |
| Sioux City to Kiskoros | 5,129.57 mi (8,255.24 km) |
| Sioux City to Kiskunfelegyhaza | 5,143.80 mi (8,278.15 km) |
| Sioux City to Kiskunhalas | 5,145.70 mi (8,281.21 km) |
| Sioux City to Kiskunlachaza | 5,091.94 mi (8,194.68 km) |
| Sioux City to Kiskunmajsa | 5,150.80 mi (8,289.42 km) |
| Sioux City to Kisujszallas | 5,147.56 mi (8,284.19 km) |
| Sioux City to Kisvarda | 5,138.14 mi (8,269.03 km) |
| Sioux City to Komarom | 5,036.12 mi (8,104.85 km) |
| Sioux City to Komlo | 5,117.13 mi (8,235.22 km) |
| Sioux City to Kormend | 5,021.58 mi (8,081.45 km) |
| Sioux City to Koszeg | 5,001.78 mi (8,049.59 km) |
| Sioux City to Lajosmizse | 5,118.20 mi (8,236.94 km) |
