| Hackettstown to New Britain (Connecticut) | 120.18 mi (193.41 km) |
| Hackettstown to New Brunswick (New Jersey) | 32.26 mi (51.93 km) |
| Hackettstown to New Carrollton (Maryland) | 169.84 mi (273.33 km) |
| Hackettstown to New Cassel (New York) | 66.25 mi (106.63 km) |
| Hackettstown to New Castle (Indiana) | 558.31 mi (898.51 km) |
| Hackettstown to New Castle (Pennsylvania) | 288.29 mi (463.96 km) |
| Hackettstown to New City (New York) | 48.20 mi (77.58 km) |
| Hackettstown to New Franklin (Ohio) | 352.90 mi (567.93 km) |
| Hackettstown to New Haven (Connecticut) | 103.93 mi (167.25 km) |
| Hackettstown to New Haven (Indiana) | 531.67 mi (855.64 km) |
| Hackettstown to New Hope (Minnesota) | 979.70 mi (1,576.68 km) |
| Hackettstown to New Hyde Park (New York) | 60.22 mi (96.91 km) |
| Hackettstown to New Iberia (Louisiana) | 1,211.67 mi (1,950.00 km) |
| Hackettstown to New Kensington (Pennsylvania) | 258.72 mi (416.37 km) |
| Hackettstown to New Kingman-Butler (Arizona) | 2,148.02 mi (3,456.91 km) |
