| Hackettstown to Marshall (Minnesota) | 1,090.63 mi (1,755.20 km) |
| Hackettstown to Marshall (Missouri) | 978.36 mi (1,574.52 km) |
| Hackettstown to Marshall (Texas) | 1,220.99 mi (1,965.00 km) |
| Hackettstown to Marshalltown (Iowa) | 938.25 mi (1,509.97 km) |
| Hackettstown to Marshfield (Wisconsin) | 820.32 mi (1,320.18 km) |
| Hackettstown to Martha Lake (Washington) | 2,353.02 mi (3,786.82 km) |
| Hackettstown to Martin (Tennessee) | 817.92 mi (1,316.32 km) |
| Hackettstown to Martinez (California) | 2,500.91 mi (4,024.83 km) |
| Hackettstown to Martinez (Georgia) | 645.21 mi (1,038.37 km) |
| Hackettstown to Martinsburg (West Virginia) | 192.35 mi (309.55 km) |
| Hackettstown to Martinsville (Indiana) | 620.60 mi (998.76 km) |
| Hackettstown to Martinsville (New Jersey) | 21.75 mi (35.00 km) |
| Hackettstown to Martinsville (Virginia) | 395.74 mi (636.88 km) |
| Hackettstown to Maryland City (Maryland) | 160.13 mi (257.70 km) |
| Hackettstown to Maryland Heights (Missouri) | 842.68 mi (1,356.16 km) |
