| Hackettstown to Opovo | 4,528.58 mi (7,288.04 km) |
| Hackettstown to Osecina | 4,521.33 mi (7,276.38 km) |
| Hackettstown to Padinska Skela | 4,532.66 mi (7,294.60 km) |
| Hackettstown to Pancevo | 4,544.12 mi (7,313.05 km) |
| Hackettstown to Paracin | 4,615.14 mi (7,427.36 km) |
| Hackettstown to Pecinci | 4,515.69 mi (7,267.30 km) |
| Hackettstown to Petrovac na Mlavi | 4,594.97 mi (7,394.89 km) |
| Hackettstown to Petrovaradin | 4,498.16 mi (7,239.08 km) |
| Hackettstown to Pirot | 4,691.49 mi (7,550.22 km) |
| Hackettstown to Plandiste | 4,549.60 mi (7,321.87 km) |
| Hackettstown to Pozarevac | 4,576.14 mi (7,364.59 km) |
| Hackettstown to Pozega | 4,559.48 mi (7,337.78 km) |
| Hackettstown to Presevo | 4,687.23 mi (7,543.36 km) |
| Hackettstown to Priboj | 4,548.63 mi (7,320.31 km) |
| Hackettstown to Prijepolje | 4,555.37 mi (7,331.15 km) |
