There are
2,045 mi
from Antioch, CA to Collinsville, IL
That's the driving distance. It would take 1 day 11 hours to go from Antioch, California to Collinsville, Illinois.
The flight distance (direct flight from Antioch, CA to Collinsville, IL) is 1,716.46 mi.
2,045 mi = 3,291.62 kms