| Hackettstown to Madison (New Jersey) | 22.37 mi (36.01 km) |
| Hackettstown to Madison (Wisconsin) | 762.98 mi (1,227.90 km) |
| Hackettstown to Madison Heights (Michigan) | 441.96 mi (711.26 km) |
| Hackettstown to Madison Heights (Virginia) | 328.47 mi (528.62 km) |
| Hackettstown to Madisonville (Kentucky) | 721.01 mi (1,160.36 km) |
| Hackettstown to Magalia (California) | 2,435.02 mi (3,918.79 km) |
| Hackettstown to Magna (Utah) | 1,937.37 mi (3,117.90 km) |
| Hackettstown to Magnolia (Arkansas) | 1,138.36 mi (1,832.02 km) |
| Hackettstown to Maili (Hawaii) | 4,927.10 mi (7,929.41 km) |
| Hackettstown to Maitland (Florida) | 922.06 mi (1,483.92 km) |
| Hackettstown to Makakilo (Hawaii) | 4,924.85 mi (7,925.79 km) |
| Hackettstown to Malden (Massachusetts) | 222.95 mi (358.80 km) |
| Hackettstown to Malibu (California) | 2,430.80 mi (3,911.99 km) |
| Hackettstown to Maltby (Washington) | 2,347.43 mi (3,777.83 km) |
| Hackettstown to Malvern (Arkansas) | 1,079.18 mi (1,736.78 km) |
