| Hackettstown to Mitchell (South Dakota) | 1,198.61 mi (1,928.98 km) |
| Hackettstown to Mitchellville (Maryland) | 169.34 mi (272.53 km) |
| Hackettstown to Moberly (Missouri) | 933.93 mi (1,503.02 km) |
| Hackettstown to Mobile (Alabama) | 1,022.21 mi (1,645.09 km) |
| Hackettstown to Modesto (California) | 2,452.23 mi (3,946.49 km) |
| Hackettstown to Mokena (Illinois) | 679.59 mi (1,093.70 km) |
| Hackettstown to Moline (Illinois) | 814.88 mi (1,311.42 km) |
| Hackettstown to Moncks Corner (South Carolina) | 602.60 mi (969.79 km) |
| Hackettstown to Monfort Heights (Ohio) | 530.02 mi (852.98 km) |
| Hackettstown to Monmouth (Oregon) | 2,430.78 mi (3,911.96 km) |
| Hackettstown to Monroe (Georgia) | 689.35 mi (1,109.40 km) |
| Hackettstown to Monroe (Louisiana) | 1,112.92 mi (1,791.08 km) |
| Hackettstown to Monroe (Michigan) | 449.53 mi (723.45 km) |
| Hackettstown to Monroe (North Carolina) | 510.51 mi (821.59 km) |
| Hackettstown to Monroe (Ohio) | 512.91 mi (825.44 km) |
