There are
2,106 mi
from Antioch, CA to Richton Park, IL
That's the driving distance. It would take 1 day 12 hours to go from Antioch, California to Richton Park, Illinois.
The flight distance (direct flight from Antioch, CA to Richton Park, IL) is 1,815.71 mi.
2,106 mi = 3.22 kms