There are
2,020 mi
from Buena Park, CA to Antioch, IL
That's the driving distance. It would take 1 day 11 hours to go from Buena Park, California to Antioch, Illinois.
The flight distance (direct flight from Buena Park, CA to Antioch, IL) is 1,718.91 mi.
2,020 mi = 3.22 kms