There are
1,705 mi
from Killeen, TX to Hackensack, NJ
That's the driving distance. It would take 1 day 6 hours to go from Killeen, Texas to Hackensack, New Jersey.
The flight distance (direct flight from Killeen, TX to Hackensack, NJ) is 1,479.36 mi.
1,705 mi = 1.61 kms