| Iowa City to Greenfield (California) | 1,628.95 mi (2,621.55 km) |
| Iowa City to Greenfield (Indiana) | 327.65 mi (527.30 km) |
| Iowa City to Greenfield (Wisconsin) | 201.44 mi (324.18 km) |
| Iowa City to Greenlawn (New York) | 943.36 mi (1,518.19 km) |
| Iowa City to Greensboro (North Carolina) | 736.49 mi (1,185.27 km) |
| Iowa City to Greensburg (Indiana) | 354.31 mi (570.21 km) |
| Iowa City to Greensburg (Pennsylvania) | 631.49 mi (1,016.29 km) |
| Iowa City to Greentree (New Jersey) | 873.98 mi (1,406.53 km) |
| Iowa City to Greenville (Mississippi) | 572.06 mi (920.65 km) |
| Iowa City to Greenville (North Carolina) | 869.72 mi (1,399.67 km) |
| Iowa City to Greenville (Ohio) | 376.41 mi (605.77 km) |
| Iowa City to Greenville (South Carolina) | 684.40 mi (1,101.44 km) |
| Iowa City to Greenville (Texas) | 641.40 mi (1,032.24 km) |
| Iowa City to Greenwood (Indiana) | 317.73 mi (511.34 km) |
| Iowa City to Greenwood (Mississippi) | 567.33 mi (913.02 km) |
