| Hackettstown to Penne | 4,353.93 mi (7,006.97 km) |
| Hackettstown to Pergine Valsugana | 4,112.87 mi (6,619.03 km) |
| Hackettstown to Perugia | 4,263.96 mi (6,862.18 km) |
| Hackettstown to Pesaro | 4,257.44 mi (6,851.69 km) |
| Hackettstown to Pescantina | 4,116.92 mi (6,625.55 km) |
| Hackettstown to Pescara | 4,366.26 mi (7,026.82 km) |
| Hackettstown to Peschiera del Garda | 4,110.87 mi (6,615.80 km) |
| Hackettstown to Pescia | 4,162.93 mi (6,699.58 km) |
| Hackettstown to Petilia Policastro | 4,605.63 mi (7,412.05 km) |
| Hackettstown to Piacenza | 4,081.64 mi (6,568.77 km) |
| Hackettstown to Pianella | 4,361.52 mi (7,019.19 km) |
| Hackettstown to Pianezza | 3,986.99 mi (6,416.44 km) |
| Hackettstown to Pianiga | 4,165.99 mi (6,704.52 km) |
| Hackettstown to Piano di Sorrento | 4,442.84 mi (7,150.06 km) |
| Hackettstown to Pianoro | 4,174.12 mi (6,717.59 km) |
