| Sioux City to Klaukkala | 4,594.34 mi (7,393.87 km) |
| Sioux City to Kokkola | 4,387.79 mi (7,061.47 km) |
| Sioux City to Kontiolahti | 4,584.17 mi (7,377.52 km) |
| Sioux City to Korsholm | 4,390.00 mi (7,065.02 km) |
| Sioux City to Kotka | 4,640.76 mi (7,468.58 km) |
| Sioux City to Kouvola | 4,614.79 mi (7,426.78 km) |
| Sioux City to Kuhmo | 4,506.41 mi (7,252.36 km) |
| Sioux City to Kuopio | 4,532.42 mi (7,294.23 km) |
| Sioux City to Kurikka | 4,430.12 mi (7,129.60 km) |
| Sioux City to Kuusamo | 4,404.72 mi (7,088.72 km) |
| Sioux City to Kuusankoski | 4,610.91 mi (7,420.54 km) |
| Sioux City to Lahti | 4,584.96 mi (7,378.78 km) |
| Sioux City to Laitila | 4,497.09 mi (7,237.37 km) |
| Sioux City to Lapinlahti | 4,501.99 mi (7,245.25 km) |
| Sioux City to Lappeenranta | 4,637.56 mi (7,463.43 km) |
