There are
2,081 mi
from Antioch, CA to Algonquin, IL
That's the driving distance. It would take 1 day 12 hours to go from Antioch, California to Algonquin, Illinois.
The flight distance (direct flight from Antioch, CA to Algonquin, IL) is 1,782.95 mi.
2,081 mi = 3.22 kms