| Hackettstown to Pottsville (Pennsylvania) | 73.39 mi (118.10 km) |
| Hackettstown to Poughkeepsie (New York) | 74.72 mi (120.25 km) |
| Hackettstown to Poulsbo (Washington) | 2,372.65 mi (3,818.41 km) |
| Hackettstown to Poway (California) | 2,369.29 mi (3,813.01 km) |
| Hackettstown to Powder Springs (Georgia) | 724.55 mi (1,166.05 km) |
| Hackettstown to Powell (Ohio) | 436.16 mi (701.93 km) |
| Hackettstown to Powell (Tennessee) | 598.55 mi (963.27 km) |
| Hackettstown to Prairie Ridge (Washington) | 2,354.34 mi (3,788.94 km) |
| Hackettstown to Prairie Village (Kansas) | 1,055.36 mi (1,698.43 km) |
| Hackettstown to Prairieville (Louisiana) | 1,159.36 mi (1,865.81 km) |
| Hackettstown to Prattville (Alabama) | 865.77 mi (1,393.33 km) |
| Hackettstown to Preakness (New Jersey) | 31.95 mi (51.42 km) |
| Hackettstown to Prescott (Arizona) | 2,084.59 mi (3,354.83 km) |
| Hackettstown to Prescott Valley (Arizona) | 2,077.50 mi (3,343.42 km) |
| Hackettstown to Prichard (Alabama) | 1,017.96 mi (1,638.25 km) |
