There are
2,084 mi
from Antioch, CA to Downers Grove, IL
That's the driving distance. It would take 1 day 12 hours to go from Antioch, California to Downers Grove, Illinois.
The flight distance (direct flight from Antioch, CA to Downers Grove, IL) is 1,798.54 mi.
2,084 mi = 3.22 kms