| Hackettstown to Ovidiu | 4,881.91 mi (7,856.68 km) |
| Hackettstown to Pantelimon | 4,782.49 mi (7,696.67 km) |
| Hackettstown to Pascani | 4,685.93 mi (7,541.27 km) |
| Hackettstown to Pechea | 4,794.32 mi (7,715.71 km) |
| Hackettstown to Pecica | 4,510.84 mi (7,259.49 km) |
| Hackettstown to Petrila | 4,632.14 mi (7,454.71 km) |
| Hackettstown to Petrosani | 4,631.82 mi (7,454.19 km) |
| Hackettstown to Piatra Neamt | 4,685.82 mi (7,541.10 km) |
| Hackettstown to Pitesti | 4,713.13 mi (7,585.05 km) |
| Hackettstown to Ploiesti | 4,754.99 mi (7,652.41 km) |
| Hackettstown to Podu Iloaiei | 4,707.50 mi (7,575.99 km) |
| Hackettstown to Poiana Mare | 4,680.00 mi (7,531.73 km) |
| Hackettstown to Poienile de sub Munte | 4,576.37 mi (7,364.96 km) |
| Hackettstown to Popesti-Leordeni | 4,784.25 mi (7,699.51 km) |
| Hackettstown to Pucioasa | 4,726.50 mi (7,606.57 km) |
