| Hackettstown to Kolarovo | 4,323.77 mi (6,958.44 km) |
| Hackettstown to Komarno | 4,334.59 mi (6,975.85 km) |
| Hackettstown to Kosice | 4,420.38 mi (7,113.91 km) |
| Hackettstown to Krompachy | 4,398.61 mi (7,078.87 km) |
| Hackettstown to Kysucke Nove Mesto | 4,304.56 mi (6,927.53 km) |
| Hackettstown to Levice | 4,336.92 mi (6,979.59 km) |
| Hackettstown to Levoca | 4,383.54 mi (7,054.62 km) |
| Hackettstown to Liptovsky Mikulas | 4,343.66 mi (6,990.44 km) |
| Hackettstown to Lucenec | 4,374.10 mi (7,039.44 km) |
| Hackettstown to Malacky | 4,266.66 mi (6,866.52 km) |
| Hackettstown to Martin | 4,318.21 mi (6,949.49 km) |
| Hackettstown to Michalovce | 4,444.16 mi (7,152.18 km) |
| Hackettstown to Modra | 4,281.81 mi (6,890.91 km) |
| Hackettstown to Moldava nad Bodvou | 4,415.00 mi (7,105.26 km) |
| Hackettstown to Myjava | 4,276.93 mi (6,883.06 km) |
