| Hackettstown to Marysville (California) | 2,447.85 mi (3,939.43 km) |
| Hackettstown to Marysville (Ohio) | 449.99 mi (724.18 km) |
| Hackettstown to Marysville (Washington) | 2,347.84 mi (3,778.48 km) |
| Hackettstown to Maryville (Missouri) | 1,049.87 mi (1,689.60 km) |
| Hackettstown to Maryville (Tennessee) | 608.42 mi (979.15 km) |
| Hackettstown to Mason (Ohio) | 511.10 mi (822.53 km) |
| Hackettstown to Mason City (Iowa) | 954.64 mi (1,536.34 km) |
| Hackettstown to Massapequa (New York) | 72.08 mi (116.00 km) |
| Hackettstown to Massapequa Park (New York) | 72.99 mi (117.46 km) |
| Hackettstown to Massillon (Ohio) | 350.26 mi (563.70 km) |
| Hackettstown to Mastic (New York) | 103.44 mi (166.47 km) |
| Hackettstown to Mastic Beach (New York) | 104.18 mi (167.66 km) |
| Hackettstown to Matteson (Illinois) | 672.81 mi (1,082.78 km) |
| Hackettstown to Matthews (North Carolina) | 509.31 mi (819.65 km) |
| Hackettstown to Mattoon (Illinois) | 720.29 mi (1,159.20 km) |
