There are
2,038 mi
from Antioch, CA to Cahokia, IL
That's the driving distance. It would take 1 day 11 hours to go from Antioch, California to Cahokia, Illinois.
The flight distance (direct flight from Antioch, CA to Cahokia, IL) is 1,706.52 mi.
2,038 mi = 3.22 kms