| Iowa City to Isny im Allgau | 4,629.51 mi (7,450.48 km) |
| Iowa City to Isselburg | 4,333.58 mi (6,974.22 km) |
| Iowa City to Issum | 4,343.32 mi (6,989.90 km) |
| Iowa City to Itzehoe | 4,357.69 mi (7,013.03 km) |
| Iowa City to Jena | 4,549.77 mi (7,322.14 km) |
| Iowa City to Jever | 4,316.74 mi (6,947.12 km) |
| Iowa City to Jork | 4,378.64 mi (7,046.74 km) |
| Iowa City to Juchen | 4,362.98 mi (7,021.53 km) |
| Iowa City to Julich | 4,364.71 mi (7,024.33 km) |
| Iowa City to Juterbog | 4,555.91 mi (7,332.03 km) |
| Iowa City to Kaarst | 4,362.64 mi (7,021.00 km) |
| Iowa City to Kaiserslautern | 4,474.12 mi (7,200.40 km) |
| Iowa City to Kalkar | 4,330.98 mi (6,970.04 km) |
| Iowa City to Kall | 4,386.08 mi (7,058.71 km) |
| Iowa City to Kaltenkirchen | 4,375.90 mi (7,042.33 km) |
