| Forest to Indianola (Iowa) | 4,383.43 mi (7,054.44 km) |
| Forest to Indio (California) | 5,569.09 mi (8,962.59 km) |
| Forest to Inglewood (California) | 5,622.19 mi (9,048.03 km) |
| Forest to Inkster (Michigan) | 3,956.27 mi (6,367.01 km) |
| Forest to Inver Grove Heights (Minnesota) | 4,196.64 mi (6,753.84 km) |
| Forest to Inwood (New York) | 3,652.45 mi (5,878.05 km) |
| Forest to Iona (Florida) | 4,663.85 mi (7,505.74 km) |
| Forest to Ionia (Michigan) | 3,991.86 mi (6,424.28 km) |
| Forest to Iowa City (Iowa) | 4,294.82 mi (6,911.84 km) |
| Forest to Irmo (South Carolina) | 4,257.02 mi (6,851.01 km) |
| Forest to Irondale (Alabama) | 4,505.81 mi (7,251.40 km) |
| Forest to Ironton (Ohio) | 4,105.75 mi (6,607.57 km) |
| Forest to Irvine (California) | 5,620.76 mi (9,045.74 km) |
| Forest to Irving (Texas) | 4,943.20 mi (7,955.31 km) |
| Forest to Isabela (Puerto Rico) | 4,425.47 mi (7,122.10 km) |
