| Park Forest to Indianapolis (Indiana) | 142.82 mi (229.85 km) |
| Park Forest to Indianola (Iowa) | 304.62 mi (490.23 km) |
| Park Forest to Indio (California) | 1,642.80 mi (2,643.84 km) |
| Park Forest to Inglewood (California) | 1,743.88 mi (2,806.51 km) |
| Park Forest to Inkster (Michigan) | 231.74 mi (372.94 km) |
| Park Forest to Inver Grove Heights (Minnesota) | 355.80 mi (572.61 km) |
| Park Forest to Inwood (New York) | 727.76 mi (1,171.22 km) |
| Park Forest to Iona (Florida) | 1,084.13 mi (1,744.74 km) |
| Park Forest to Ionia (Michigan) | 168.99 mi (271.97 km) |
| Park Forest to Iowa City (Iowa) | 199.03 mi (320.31 km) |
| Park Forest to Irmo (South Carolina) | 620.54 mi (998.67 km) |
| Park Forest to Irondale (Alabama) | 551.31 mi (887.25 km) |
| Park Forest to Ironton (Ohio) | 334.26 mi (537.94 km) |
| Park Forest to Irvine (California) | 1,723.30 mi (2,773.38 km) |
| Park Forest to Irving (Texas) | 784.02 mi (1,261.76 km) |
