| Iowa City to Kidricevo | 4,895.77 mi (7,878.97 km) |
| Iowa City to Kobarid | 4,822.20 mi (7,760.58 km) |
| Iowa City to Kobilje | 4,904.53 mi (7,893.07 km) |
| Iowa City to Kocevje | 4,896.13 mi (7,879.56 km) |
| Iowa City to Komen | 4,847.63 mi (7,801.50 km) |
| Iowa City to Komenda | 4,859.10 mi (7,819.97 km) |
| Iowa City to Koper | 4,858.80 mi (7,819.48 km) |
| Iowa City to Kostanjevica na Krki | 4,907.60 mi (7,898.02 km) |
| Iowa City to Kostel | 4,904.03 mi (7,892.27 km) |
| Iowa City to Kozje | 4,902.16 mi (7,889.27 km) |
| Iowa City to Kranj | 4,851.66 mi (7,807.99 km) |
| Iowa City to Kranjska Gora | 4,819.29 mi (7,755.90 km) |
| Iowa City to Krizevci | 4,900.89 mi (7,887.22 km) |
| Iowa City to Krsko | 4,905.03 mi (7,893.88 km) |
| Iowa City to Kuzma | 4,886.60 mi (7,864.23 km) |
