| Hackettstown to Poggibonsi | 4,197.85 mi (6,755.79 km) |
| Hackettstown to Poggio a Caiano | 4,182.14 mi (6,730.50 km) |
| Hackettstown to Poggio Renatico | 4,167.45 mi (6,706.86 km) |
| Hackettstown to Poggiomarino | 4,442.68 mi (7,149.80 km) |
| Hackettstown to Poirino | 4,006.05 mi (6,447.12 km) |
| Hackettstown to Policoro | 4,558.28 mi (7,335.85 km) |
| Hackettstown to Polistena | 4,601.90 mi (7,406.04 km) |
| Hackettstown to Pomezia | 4,320.65 mi (6,953.41 km) |
| Hackettstown to Pomigliano d'Arco | 4,431.72 mi (7,132.17 km) |
| Hackettstown to Pompei | 4,442.36 mi (7,149.29 km) |
| Hackettstown to Ponsacco | 4,170.26 mi (6,711.38 km) |
| Hackettstown to Pontassieve | 4,199.59 mi (6,758.59 km) |
| Hackettstown to Ponte Buggianese | 4,167.51 mi (6,706.96 km) |
| Hackettstown to Ponte San Pietro | 4,055.56 mi (6,526.79 km) |
| Hackettstown to Pontecorvo | 4,379.33 mi (7,047.86 km) |
