| Hackettstown to Parma Heights (Ohio) | 362.89 mi (584.02 km) |
| Hackettstown to Parole (Maryland) | 158.17 mi (254.54 km) |
| Hackettstown to Parsippany (New Jersey) | 21.55 mi (34.69 km) |
| Hackettstown to Pasadena (California) | 2,393.67 mi (3,852.24 km) |
| Hackettstown to Pasadena (Maryland) | 148.79 mi (239.46 km) |
| Hackettstown to Pasadena (Texas) | 1,377.77 mi (2,217.31 km) |
| Hackettstown to Pasadena Hills (Florida) | 964.28 mi (1,551.85 km) |
| Hackettstown to Pascagoula (Mississippi) | 1,055.58 mi (1,698.79 km) |
| Hackettstown to Pasco (Washington) | 2,220.05 mi (3,572.82 km) |
| Hackettstown to Passaic (New Jersey) | 36.45 mi (58.66 km) |
| Hackettstown to Pataskala (Ohio) | 418.86 mi (674.09 km) |
| Hackettstown to Patchogue (New York) | 94.72 mi (152.44 km) |
| Hackettstown to Paterson (New Jersey) | 34.90 mi (56.17 km) |
| Hackettstown to Patterson (California) | 2,463.83 mi (3,965.14 km) |
| Hackettstown to Pawtucket (Rhode Island) | 192.34 mi (309.55 km) |
