There are
2,105 mi
from Antioch, CA to Champaign, IL
That's the driving distance. It would take 1 day 12 hours to go from Antioch, California to Champaign, Illinois.
The flight distance (direct flight from Antioch, CA to Champaign, IL) is 1,795.83 mi.
2,105 mi = 3.22 kms