| River Forest to Indianapolis (Indiana) | 170.48 mi (274.36 km) |
| River Forest to Indianola (Iowa) | 298.95 mi (481.11 km) |
| River Forest to Indio (California) | 1,641.13 mi (2,641.14 km) |
| River Forest to Inglewood (California) | 1,740.97 mi (2,801.82 km) |
| River Forest to Inkster (Michigan) | 232.56 mi (374.27 km) |
| River Forest to Inver Grove Heights (Minnesota) | 331.95 mi (534.22 km) |
| River Forest to Inwood (New York) | 735.17 mi (1,183.14 km) |
| River Forest to Iona (Florida) | 1,113.35 mi (1,791.76 km) |
| River Forest to Ionia (Michigan) | 158.76 mi (255.50 km) |
| River Forest to Iowa City (Iowa) | 191.91 mi (308.85 km) |
| River Forest to Irmo (South Carolina) | 647.60 mi (1,042.21 km) |
| River Forest to Irondale (Alabama) | 580.45 mi (934.15 km) |
| River Forest to Ironton (Ohio) | 357.05 mi (574.62 km) |
| River Forest to Irvine (California) | 1,720.95 mi (2,769.60 km) |
| River Forest to Irving (Texas) | 800.40 mi (1,288.12 km) |
