| Hackettstown to Montana | 4,706.98 mi (7,575.15 km) |
| Hackettstown to Nova Zagora | 4,857.84 mi (7,817.93 km) |
| Hackettstown to Novi Iskar | 4,737.05 mi (7,623.55 km) |
| Hackettstown to Novi Pazar | 4,868.44 mi (7,834.99 km) |
| Hackettstown to Omurtag | 4,848.08 mi (7,802.23 km) |
| Hackettstown to Panagyurishte | 4,783.39 mi (7,698.13 km) |
| Hackettstown to Parvomay | 4,842.15 mi (7,792.69 km) |
| Hackettstown to Pavlikeni | 4,798.35 mi (7,722.20 km) |
| Hackettstown to Pazardzhik | 4,802.00 mi (7,728.06 km) |
| Hackettstown to Pernik | 4,732.31 mi (7,615.92 km) |
| Hackettstown to Peshtera | 4,807.59 mi (7,737.07 km) |
| Hackettstown to Petrich | 4,789.08 mi (7,707.28 km) |
| Hackettstown to Pleven | 4,763.36 mi (7,665.88 km) |
| Hackettstown to Plovdiv | 4,821.07 mi (7,758.76 km) |
| Hackettstown to Pomorie | 4,918.55 mi (7,915.64 km) |
