| Chicago Heights to Indianola (Iowa) | 307.31 mi (494.57 km) |
| Chicago Heights to Indio (California) | 1,645.80 mi (2,648.65 km) |
| Chicago Heights to Inglewood (California) | 1,746.81 mi (2,811.22 km) |
| Chicago Heights to Inkster (Michigan) | 228.62 mi (367.92 km) |
| Chicago Heights to Inver Grove Heights (Minnesota) | 356.50 mi (573.73 km) |
| Chicago Heights to Inwood (New York) | 725.07 mi (1,166.88 km) |
| Chicago Heights to Iona (Florida) | 1,085.09 mi (1,746.28 km) |
| Chicago Heights to Ionia (Michigan) | 165.66 mi (266.60 km) |
| Chicago Heights to Iowa City (Iowa) | 201.58 mi (324.40 km) |
| Chicago Heights to Irmo (South Carolina) | 620.50 mi (998.59 km) |
| Chicago Heights to Irondale (Alabama) | 552.97 mi (889.93 km) |
| Chicago Heights to Ironton (Ohio) | 333.23 mi (536.29 km) |
| Chicago Heights to Irvine (California) | 1,726.26 mi (2,778.14 km) |
| Chicago Heights to Irving (Texas) | 787.30 mi (1,267.04 km) |
| Chicago Heights to Isabela (Puerto Rico) | 2,000.85 mi (3,220.06 km) |
