| Iowa City to Imatra | 4,586.42 mi (7,381.13 km) |
| Iowa City to Jakobstad | 4,327.63 mi (6,964.66 km) |
| Iowa City to Jamsa | 4,468.58 mi (7,191.49 km) |
| Iowa City to Janakkala | 4,499.79 mi (7,241.71 km) |
| Iowa City to Jarvenpaa | 4,531.44 mi (7,292.65 km) |
| Iowa City to Joensuu | 4,539.22 mi (7,305.17 km) |
| Iowa City to Joutseno | 4,583.14 mi (7,375.85 km) |
| Iowa City to Jyvaskyla | 4,464.38 mi (7,184.73 km) |
| Iowa City to Jyvaskylan Maalaiskunta | 4,462.17 mi (7,181.17 km) |
| Iowa City to Kaarina | 4,465.71 mi (7,186.86 km) |
| Iowa City to Kajaani | 4,415.47 mi (7,106.01 km) |
| Iowa City to Kalajoki | 4,329.78 mi (6,968.11 km) |
| Iowa City to Kangasala | 4,460.01 mi (7,177.69 km) |
| Iowa City to Kankaanpaa | 4,403.54 mi (7,086.82 km) |
| Iowa City to Karhula | 4,575.04 mi (7,362.82 km) |
