| Iowa City to Idar-Oberstein | 4,446.81 mi (7,156.45 km) |
| Iowa City to Idstein | 4,461.43 mi (7,179.98 km) |
| Iowa City to Illertissen | 4,609.18 mi (7,417.75 km) |
| Iowa City to Illingen | 4,450.52 mi (7,162.43 km) |
| Iowa City to Ilmenau | 4,536.61 mi (7,300.97 km) |
| Iowa City to Ilsede | 4,446.36 mi (7,155.73 km) |
| Iowa City to Ilsenburg | 4,479.79 mi (7,209.52 km) |
| Iowa City to Ilsfeld | 4,544.22 mi (7,313.22 km) |
| Iowa City to Ilvesheim | 4,502.16 mi (7,245.52 km) |
| Iowa City to Immenstadt im Allgau | 4,641.32 mi (7,469.49 km) |
| Iowa City to Ingelheim | 4,463.39 mi (7,183.14 km) |
| Iowa City to Ingolstadt | 4,634.97 mi (7,459.27 km) |
| Iowa City to Iserlohn | 4,393.64 mi (7,070.88 km) |
| Iowa City to Isernhagen-Sud | 4,428.44 mi (7,126.88 km) |
| Iowa City to Ismaning | 4,666.70 mi (7,510.33 km) |
