There are
1,808 mi
from Redlands, CA to Cahokia, IL
That's the driving distance. It would take 1 day 7 hours to go from Redlands, California to Cahokia, Illinois.
The flight distance (direct flight from Redlands, CA to Cahokia, IL) is 1,529.02 mi.
1,808 mi = 1.61 kms