There are
1,828 mi
from Santa Ana, CA to Cahokia, IL
That's the driving distance. It would take 1 day 7 hours to go from Santa Ana, California to Cahokia, Illinois.
The flight distance (direct flight from Santa Ana, CA to Cahokia, IL) is 1,573.26 mi.
1,828 mi = 2,941.57 kms