There are
847 mi
from Dekalb, IL to Hackensack, NJ
That's the driving distance. It would take 15 hours 53 mins to go from Dekalb, Illinois to Hackensack, New Jersey.
The flight distance (direct flight from Dekalb, IL to Hackensack, NJ) is 764.59 mi.
847 mi = 1,362.48 kms