| Hackettstown to Indianola (Iowa) | 974.30 mi (1,567.99 km) |
| Hackettstown to Indio (California) | 2,306.33 mi (3,711.68 km) |
| Hackettstown to Inglewood (California) | 2,410.16 mi (3,878.77 km) |
| Hackettstown to Inkster (Michigan) | 449.71 mi (723.74 km) |
| Hackettstown to Inver Grove Heights (Minnesota) | 961.30 mi (1,547.06 km) |
| Hackettstown to Inwood (New York) | 58.52 mi (94.18 km) |
| Hackettstown to Iona (Florida) | 1,071.23 mi (1,723.97 km) |
| Hackettstown to Ionia (Michigan) | 546.49 mi (879.48 km) |
| Hackettstown to Iowa City (Iowa) | 868.09 mi (1,397.06 km) |
| Hackettstown to Irmo (South Carolina) | 582.41 mi (937.30 km) |
| Hackettstown to Irondale (Alabama) | 822.94 mi (1,324.39 km) |
| Hackettstown to Ironton (Ohio) | 447.02 mi (719.41 km) |
| Hackettstown to Irvine (California) | 2,388.39 mi (3,843.74 km) |
| Hackettstown to Irving (Texas) | 1,338.16 mi (2,153.56 km) |
| Hackettstown to Isabela (Puerto Rico) | 1,612.31 mi (2,594.76 km) |
