There are
843 mi
from Rutherford, NJ to Dekalb, IL
That's the driving distance. It would take 15 hours 45 mins to go from Rutherford, New Jersey to Dekalb, Illinois.
The flight distance (direct flight from Rutherford, NJ to Dekalb, IL) is 762.08 mi.
843 mi = 1,356.00 kms