| Howard to Indianola (Iowa) | 354.35 mi (570.27 km) |
| Howard to Indio (California) | 1,671.92 mi (2,690.70 km) |
| Howard to Inglewood (California) | 1,763.37 mi (2,837.86 km) |
| Howard to Inkster (Michigan) | 286.66 mi (461.34 km) |
| Howard to Inver Grove Heights (Minnesota) | 244.53 mi (393.54 km) |
| Howard to Inwood (New York) | 777.53 mi (1,251.31 km) |
| Howard to Iona (Florida) | 1,293.22 mi (2,081.23 km) |
| Howard to Ionia (Michigan) | 186.57 mi (300.26 km) |
| Howard to Iowa City (Iowa) | 265.67 mi (427.56 km) |
| Howard to Irmo (South Carolina) | 811.06 mi (1,305.27 km) |
| Howard to Irondale (Alabama) | 765.68 mi (1,232.24 km) |
| Howard to Ironton (Ohio) | 502.16 mi (808.15 km) |
| Howard to Irvine (California) | 1,746.98 mi (2,811.49 km) |
| Howard to Irving (Texas) | 938.81 mi (1,510.88 km) |
| Howard to Isabela (Puerto Rico) | 2,173.13 mi (3,497.31 km) |
