| Hackettstown to Pell City (Alabama) | 805.21 mi (1,295.86 km) |
| Hackettstown to Pella (Iowa) | 940.68 mi (1,513.87 km) |
| Hackettstown to Pembroke Pines (Florida) | 1,072.94 mi (1,726.73 km) |
| Hackettstown to Pendleton (Oregon) | 2,210.08 mi (3,556.78 km) |
| Hackettstown to Pensacola (Florida) | 997.80 mi (1,605.80 km) |
| Hackettstown to Peoria (Arizona) | 2,099.24 mi (3,378.40 km) |
| Hackettstown to Peoria (Illinois) | 772.63 mi (1,243.42 km) |
| Hackettstown to Perris (California) | 2,356.39 mi (3,792.25 km) |
| Hackettstown to Perry (Georgia) | 759.95 mi (1,223.03 km) |
| Hackettstown to Perry Hall (Maryland) | 132.72 mi (213.60 km) |
| Hackettstown to Perrysburg (Ohio) | 460.55 mi (741.18 km) |
| Hackettstown to Perth Amboy (New Jersey) | 37.04 mi (59.62 km) |
| Hackettstown to Peru (Indiana) | 587.98 mi (946.26 km) |
| Hackettstown to Petal (Mississippi) | 1,036.11 mi (1,667.46 km) |
| Hackettstown to Petaluma (California) | 2,521.37 mi (4,057.76 km) |
