| Hackettstown to Monticello (Minnesota) | 1,002.85 mi (1,613.93 km) |
| Hackettstown to Montrose (Colorado) | 1,754.31 mi (2,823.30 km) |
| Hackettstown to Moody (Alabama) | 813.34 mi (1,308.94 km) |
| Hackettstown to Moore (Oklahoma) | 1,285.22 mi (2,068.36 km) |
| Hackettstown to Moorestown-Lenola (New Jersey) | 61.79 mi (99.45 km) |
| Hackettstown to Mooresville (North Carolina) | 488.27 mi (785.80 km) |
| Hackettstown to Moorhead (Minnesota) | 1,163.62 mi (1,872.67 km) |
| Hackettstown to Moorpark (California) | 2,428.60 mi (3,908.45 km) |
| Hackettstown to Moraga (California) | 2,504.87 mi (4,031.20 km) |
| Hackettstown to Moreno Valley (California) | 2,351.56 mi (3,784.47 km) |
| Hackettstown to Morgan City (Louisiana) | 1,198.74 mi (1,929.18 km) |
| Hackettstown to Morgan Hill (California) | 2,497.26 mi (4,018.96 km) |
| Hackettstown to Morganton (North Carolina) | 513.26 mi (826.02 km) |
| Hackettstown to Morgantown (West Virginia) | 282.76 mi (455.06 km) |
| Hackettstown to Morris (Illinois) | 708.37 mi (1,140.02 km) |
