There are
832 mi
from Passaic, NJ to Mchenry, IL
That's the driving distance. It would take 15 hours 46 mins to go from Passaic, New Jersey to Mchenry, Illinois.
The flight distance (direct flight from Passaic, NJ to Mchenry, IL) is 736.76 mi.
832 mi = 1,338.39 kms