| Boise to Indianola (Iowa) | 1,161.56 mi (1,869.35 km) |
| Boise to Indio (California) | 681.67 mi (1,097.04 km) |
| Boise to Inglewood (California) | 675.92 mi (1,087.78 km) |
| Boise to Inkster (Michigan) | 1,656.27 mi (2,665.51 km) |
| Boise to Inver Grove Heights (Minnesota) | 1,146.72 mi (1,845.47 km) |
| Boise to Inwood (New York) | 2,163.30 mi (3,481.49 km) |
| Boise to Iona (Florida) | 2,245.67 mi (3,614.06 km) |
| Boise to Ionia (Michigan) | 1,558.41 mi (2,508.01 km) |
| Boise to Iowa City (Iowa) | 1,258.16 mi (2,024.82 km) |
| Boise to Irmo (South Carolina) | 1,978.95 mi (3,184.81 km) |
| Boise to Irondale (Alabama) | 1,730.00 mi (2,784.17 km) |
| Boise to Ironton (Ohio) | 1,770.00 mi (2,848.54 km) |
| Boise to Irvine (California) | 690.64 mi (1,111.47 km) |
| Boise to Irving (Texas) | 1,276.93 mi (2,055.02 km) |
| Boise to Isabela (Puerto Rico) | 3,325.34 mi (5,351.61 km) |
