| Hackettstown to Point Pleasant (New Jersey) | 66.77 mi (107.45 km) |
| Hackettstown to Pomona (California) | 2,376.89 mi (3,825.23 km) |
| Hackettstown to Pompano Beach (Florida) | 1,054.18 mi (1,696.54 km) |
| Hackettstown to Pompton Lakes (New Jersey) | 29.99 mi (48.26 km) |
| Hackettstown to Pompton Plains (New Jersey) | 28.18 mi (45.35 km) |
| Hackettstown to Ponca City (Oklahoma) | 1,227.74 mi (1,975.86 km) |
| Hackettstown to Ponce (Puerto Rico) | 1,651.65 mi (2,658.07 km) |
| Hackettstown to Pontiac (Illinois) | 721.05 mi (1,160.42 km) |
| Hackettstown to Pontiac (Michigan) | 453.26 mi (729.45 km) |
| Hackettstown to Pooler (Georgia) | 701.73 mi (1,129.33 km) |
| Hackettstown to Poplar Bluff (Missouri) | 884.11 mi (1,422.83 km) |
| Hackettstown to Poquoson (Virginia) | 269.99 mi (434.51 km) |
| Hackettstown to Port Angeles (Washington) | 2,407.26 mi (3,874.12 km) |
| Hackettstown to Port Arthur (Texas) | 1,312.80 mi (2,112.76 km) |
| Hackettstown to Port Charlotte (Florida) | 1,043.97 mi (1,680.11 km) |
