There are
968 mi
from Passaic, NJ to Cahokia, IL
That's the driving distance. It would take 18 hours 6 mins to go from Passaic, New Jersey to Cahokia, Illinois.
The flight distance (direct flight from Passaic, NJ to Cahokia, IL) is 866.86 mi.
968 mi = 1,557.68 kms