| Iowa City to Kluczbork | 4,771.16 mi (7,678.43 km) |
| Iowa City to Knurow | 4,821.53 mi (7,759.51 km) |
| Iowa City to Kobylka | 4,804.06 mi (7,731.39 km) |
| Iowa City to Kokoszki | 4,627.91 mi (7,447.90 km) |
| Iowa City to Kolbuszowa | 4,920.29 mi (7,918.44 km) |
| Iowa City to Kolno | 4,776.04 mi (7,686.29 km) |
| Iowa City to Kolo | 4,729.36 mi (7,611.17 km) |
| Iowa City to Kolobrzeg | 4,544.77 mi (7,314.10 km) |
| Iowa City to Koluszki | 4,787.16 mi (7,704.18 km) |
| Iowa City to Komorniki | 4,664.11 mi (7,506.16 km) |
| Iowa City to Konin | 4,716.88 mi (7,591.09 km) |
| Iowa City to Konskie | 4,832.34 mi (7,776.90 km) |
| Iowa City to Konstancin-Jeziorna | 4,813.17 mi (7,746.05 km) |
| Iowa City to Konstantynow Lodzki | 4,772.27 mi (7,680.22 km) |
| Iowa City to Koronowo | 4,656.89 mi (7,494.53 km) |
