| Forest Grove to Hutchinson (Minnesota) | 1,391.96 mi (2,240.15 km) |
| Forest Grove to Hutto (Texas) | 1,721.64 mi (2,770.71 km) |
| Forest Grove to Hyattsville (Maryland) | 2,370.28 mi (3,814.59 km) |
| Forest Grove to Hybla Valley (Virginia) | 2,370.69 mi (3,815.26 km) |
| Forest Grove to Idaho Falls (Idaho) | 563.01 mi (906.07 km) |
| Forest Grove to Idylwood (Virginia) | 2,360.39 mi (3,798.68 km) |
| Forest Grove to Ilchester (Maryland) | 2,371.42 mi (3,816.43 km) |
| Forest Grove to Immokalee (Florida) | 2,637.77 mi (4,245.07 km) |
| Forest Grove to Imperial (California) | 963.89 mi (1,551.23 km) |
| Forest Grove to Imperial Beach (California) | 950.38 mi (1,529.50 km) |
| Forest Grove to Independence (Kentucky) | 2,003.69 mi (3,224.63 km) |
| Forest Grove to Independence (Missouri) | 1,526.05 mi (2,455.94 km) |
| Forest Grove to Indian Trail (North Carolina) | 2,321.04 mi (3,735.35 km) |
| Forest Grove to Indiana (Pennsylvania) | 2,215.92 mi (3,566.18 km) |
| Forest Grove to Indianapolis (Indiana) | 1,902.27 mi (3,061.40 km) |
