| Hackettstown to Nowy Dwor Mazowiecki | 4,263.65 mi (6,861.68 km) |
| Hackettstown to Nowy Sacz | 4,365.41 mi (7,025.45 km) |
| Hackettstown to Nowy Targ | 4,345.44 mi (6,993.30 km) |
| Hackettstown to Nowy Tomysl | 4,099.99 mi (6,598.30 km) |
| Hackettstown to Nysa | 4,207.50 mi (6,771.32 km) |
| Hackettstown to Oborniki | 4,114.22 mi (6,621.20 km) |
| Hackettstown to Oborniki Slaskie | 4,162.77 mi (6,699.32 km) |
| Hackettstown to Olawa | 4,190.27 mi (6,743.58 km) |
| Hackettstown to Olecko | 4,268.91 mi (6,870.15 km) |
| Hackettstown to Olesnica | 4,184.24 mi (6,733.88 km) |
| Hackettstown to Olesno | 4,234.34 mi (6,814.51 km) |
| Hackettstown to Olkusz | 4,298.66 mi (6,918.02 km) |
| Hackettstown to Olsztyn | 4,207.55 mi (6,771.40 km) |
| Hackettstown to Opalenica | 4,110.68 mi (6,615.51 km) |
| Hackettstown to Opoczno | 4,285.97 mi (6,897.60 km) |
