| Hackettstown to Medford (New York) | 96.20 mi (154.81 km) |
| Hackettstown to Medford (Oregon) | 2,450.41 mi (3,943.56 km) |
| Hackettstown to Medina (Ohio) | 367.74 mi (591.83 km) |
| Hackettstown to Medulla (Florida) | 979.25 mi (1,575.95 km) |
| Hackettstown to Mehlville (Missouri) | 838.37 mi (1,349.23 km) |
| Hackettstown to Melbourne (Florida) | 940.68 mi (1,513.88 km) |
| Hackettstown to Melissa (Texas) | 1,302.50 mi (2,096.17 km) |
| Hackettstown to Melrose (Massachusetts) | 223.70 mi (360.01 km) |
| Hackettstown to Melrose Park (Illinois) | 679.16 mi (1,092.99 km) |
| Hackettstown to Melville (New York) | 74.25 mi (119.50 km) |
| Hackettstown to Melvindale (Michigan) | 442.68 mi (712.42 km) |
| Hackettstown to Memphis (Florida) | 1,019.31 mi (1,640.41 km) |
| Hackettstown to Memphis (Tennessee) | 913.43 mi (1,470.03 km) |
| Hackettstown to Menasha (Wisconsin) | 729.31 mi (1,173.70 km) |
| Hackettstown to Mendota (California) | 2,441.31 mi (3,928.91 km) |
