There are
823 mi
from Trenton, NJ to Algonquin, IL
That's the driving distance. It would take 15 hours 21 mins to go from Trenton, New Jersey to Algonquin, Illinois.
The flight distance (direct flight from Trenton, NJ to Algonquin, IL) is 716.52 mi.
823 mi = 1,324.13 kms