| Hackettstown to Portage (Michigan) | 564.14 mi (907.90 km) |
| Hackettstown to Portage (Wisconsin) | 770.99 mi (1,240.79 km) |
| Hackettstown to Portales (New Mexico) | 1,622.09 mi (2,610.51 km) |
| Hackettstown to Porterville (California) | 2,389.07 mi (3,844.84 km) |
| Hackettstown to Portland (Maine) | 303.69 mi (488.74 km) |
| Hackettstown to Portland (Oregon) | 2,394.56 mi (3,853.68 km) |
| Hackettstown to Portland (Tennessee) | 695.18 mi (1,118.79 km) |
| Hackettstown to Portland (Texas) | 1,557.16 mi (2,506.00 km) |
| Hackettstown to Portsmouth (New Hampshire) | 257.53 mi (414.45 km) |
| Hackettstown to Portsmouth (Ohio) | 454.51 mi (731.47 km) |
| Hackettstown to Portsmouth (Virginia) | 288.81 mi (464.80 km) |
| Hackettstown to Post Falls (Idaho) | 2,108.70 mi (3,393.62 km) |
| Hackettstown to Potomac (Maryland) | 178.61 mi (287.45 km) |
| Hackettstown to Potomac Park (California) | 2,403.74 mi (3,868.44 km) |
| Hackettstown to Pottstown (Pennsylvania) | 59.87 mi (96.35 km) |
