| Iowa City to Jozefow | 4,814.47 mi (7,748.14 km) |
| Iowa City to Kalisz | 4,731.61 mi (7,614.80 km) |
| Iowa City to Kamien Pomorski | 4,528.00 mi (7,287.11 km) |
| Iowa City to Kamienna Gora | 4,707.77 mi (7,576.42 km) |
| Iowa City to Karczew | 4,817.33 mi (7,752.75 km) |
| Iowa City to Kartuzy | 4,619.87 mi (7,434.96 km) |
| Iowa City to Katowice | 4,830.23 mi (7,773.50 km) |
| Iowa City to Kedzierzyn-Kozle | 4,799.45 mi (7,723.97 km) |
| Iowa City to Kepno | 4,749.91 mi (7,644.25 km) |
| Iowa City to Ketrzyn | 4,728.04 mi (7,609.04 km) |
| Iowa City to Kety | 4,853.76 mi (7,811.37 km) |
| Iowa City to Kielce | 4,854.50 mi (7,812.56 km) |
| Iowa City to Kielczow | 4,729.92 mi (7,612.08 km) |
| Iowa City to Klobuck | 4,797.60 mi (7,720.99 km) |
| Iowa City to Klodzko | 4,744.03 mi (7,634.78 km) |
