There are
816 mi
from Keansburg, NJ to Crest Hill, IL
That's the driving distance. It would take 15 hours 29 mins to go from Keansburg, New Jersey to Crest Hill, Illinois.
The flight distance (direct flight from Keansburg, NJ to Crest Hill, IL) is 731.66 mi.
816 mi = 1,313.50 kms