| Iowa City to Jeffersonville (Indiana) | 384.19 mi (618.29 km) |
| Iowa City to Jenison (Michigan) | 304.01 mi (489.26 km) |
| Iowa City to Jenks (Oklahoma) | 458.11 mi (737.26 km) |
| Iowa City to Jennings (Missouri) | 213.36 mi (343.37 km) |
| Iowa City to Jensen Beach (Florida) | 1,183.01 mi (1,903.87 km) |
| Iowa City to Jericho (New York) | 935.09 mi (1,504.88 km) |
| Iowa City to Jerome (Idaho) | 1,175.40 mi (1,891.62 km) |
| Iowa City to Jersey City (New Jersey) | 908.70 mi (1,462.42 km) |
| Iowa City to Jessup (Maryland) | 794.26 mi (1,278.24 km) |
| Iowa City to Johns Creek (Georgia) | 660.67 mi (1,063.24 km) |
| Iowa City to Johnson City (New York) | 800.28 mi (1,287.93 km) |
| Iowa City to Johnson City (Tennessee) | 612.82 mi (986.23 km) |
| Iowa City to Johnston (Iowa) | 113.21 mi (182.19 km) |
| Iowa City to Johnstown (Colorado) | 704.71 mi (1,134.12 km) |
| Iowa City to Johnstown (Pennsylvania) | 663.46 mi (1,067.74 km) |
