There are
841 mi
from Passaic, NJ to Dekalb, IL
That's the driving distance. It would take 15 hours 43 mins to go from Passaic, New Jersey to Dekalb, Illinois.
The flight distance (direct flight from Passaic, NJ to Dekalb, IL) is 760.58 mi.
841 mi = 1,352.81 kms