| Iowa City to Decatur (Alabama) | 547.87 mi (881.71 km) |
| Iowa City to Decatur (Georgia) | 672.58 mi (1,082.41 km) |
| Iowa City to Decatur (Illinois) | 184.19 mi (296.43 km) |
| Iowa City to Deer Park (New York) | 946.72 mi (1,523.59 km) |
| Iowa City to Deer Park (Texas) | 850.69 mi (1,369.05 km) |
| Iowa City to Deerfield (Illinois) | 192.38 mi (309.61 km) |
| Iowa City to Deerfield Beach (Florida) | 1,243.09 mi (2,000.56 km) |
| Iowa City to Defiance (Ohio) | 371.73 mi (598.24 km) |
| Iowa City to DeForest (Wisconsin) | 155.77 mi (250.68 km) |
| Iowa City to DeKalb (Illinois) | 144.57 mi (232.66 km) |
| Iowa City to Del Aire (California) | 1,552.30 mi (2,498.18 km) |
| Iowa City to Del City (Oklahoma) | 534.44 mi (860.10 km) |
| Iowa City to Del Rio (Texas) | 997.05 mi (1,604.59 km) |
| Iowa City to DeLand (Florida) | 1,044.76 mi (1,681.37 km) |
| Iowa City to Delano (California) | 1,542.15 mi (2,481.85 km) |
