| Hackettstown to Pontedera | 4,168.66 mi (6,708.81 km) |
| Hackettstown to Pontinia | 4,353.98 mi (7,007.06 km) |
| Hackettstown to Porcari | 4,161.81 mi (6,697.78 km) |
| Hackettstown to Porcia | 4,174.15 mi (6,717.65 km) |
| Hackettstown to Pordenone | 4,176.11 mi (6,720.80 km) |
| Hackettstown to Portici | 4,432.77 mi (7,133.85 km) |
| Hackettstown to Porto Empedocle | 4,530.18 mi (7,290.62 km) |
| Hackettstown to Porto Recanati | 4,307.45 mi (6,932.17 km) |
| Hackettstown to Porto Sant'Elpidio | 4,317.07 mi (6,947.66 km) |
| Hackettstown to Porto Tolle | 4,196.49 mi (6,753.60 km) |
| Hackettstown to Porto Torres | 4,167.36 mi (6,706.72 km) |
| Hackettstown to Portoferraio | 4,184.04 mi (6,733.55 km) |
| Hackettstown to Portogruaro | 4,189.49 mi (6,742.33 km) |
| Hackettstown to Portomaggiore | 4,183.17 mi (6,732.16 km) |
| Hackettstown to Potenza | 4,503.74 mi (7,248.07 km) |
