| Hackettstown to Ilawa | 4,181.55 mi (6,729.56 km) |
| Hackettstown to Imielin | 4,290.86 mi (6,905.47 km) |
| Hackettstown to Inowroclaw | 4,162.22 mi (6,698.44 km) |
| Hackettstown to Janow Lubelski | 4,388.56 mi (7,062.70 km) |
| Hackettstown to Jarocin | 4,162.40 mi (6,698.74 km) |
| Hackettstown to Jaroslaw | 4,424.70 mi (7,120.87 km) |
| Hackettstown to Jasien | 4,120.71 mi (6,631.63 km) |
| Hackettstown to Jaslo | 4,389.92 mi (7,064.90 km) |
| Hackettstown to Jastrzebie-Zdroj | 4,273.39 mi (6,877.36 km) |
| Hackettstown to Jawor | 4,144.66 mi (6,670.19 km) |
| Hackettstown to Jaworzno | 4,290.31 mi (6,904.59 km) |
| Hackettstown to Jedrzejow | 4,313.41 mi (6,941.77 km) |
| Hackettstown to Jelcz-Laskowice | 4,188.08 mi (6,740.07 km) |
| Hackettstown to Jelenia Gora | 4,131.88 mi (6,649.61 km) |
| Hackettstown to Jozefoslaw | 4,287.53 mi (6,900.12 km) |
