There are
1,803 mi
from Palmdale, CA to Cahokia, IL
That's the driving distance. It would take 1 day 7 hours to go from Palmdale, California to Cahokia, Illinois.
The flight distance (direct flight from Palmdale, CA to Cahokia, IL) is 1,567.62 mi.
1,803 mi = 1.61 kms