| Hackettstown to Imatra | 4,202.74 mi (6,763.65 km) |
| Hackettstown to Jakobstad | 3,949.30 mi (6,355.79 km) |
| Hackettstown to Jamsa | 4,077.31 mi (6,561.80 km) |
| Hackettstown to Janakkala | 4,094.53 mi (6,589.52 km) |
| Hackettstown to Jarvenpaa | 4,122.74 mi (6,634.92 km) |
| Hackettstown to Joensuu | 4,176.83 mi (6,721.97 km) |
| Hackettstown to Joutseno | 4,197.53 mi (6,755.27 km) |
| Hackettstown to Jyvaskyla | 4,080.14 mi (6,566.35 km) |
| Hackettstown to Jyvaskylan Maalaiskunta | 4,078.51 mi (6,563.73 km) |
| Hackettstown to Kaarina | 4,044.32 mi (6,508.70 km) |
| Hackettstown to Kajaani | 4,064.39 mi (6,541.00 km) |
| Hackettstown to Kalajoki | 3,964.15 mi (6,379.68 km) |
| Hackettstown to Kangasala | 4,059.00 mi (6,532.33 km) |
| Hackettstown to Kankaanpaa | 3,999.87 mi (6,437.17 km) |
| Hackettstown to Karhula | 4,175.09 mi (6,719.16 km) |
