There are
2,083 mi
from Fremont, CA to Cahokia, IL
That's the driving distance. It would take 1 day 12 hours to go from Fremont, California to Cahokia, Illinois.
The flight distance (direct flight from Fremont, CA to Cahokia, IL) is 1,722.72 mi.
2,083 mi = 3.22 kms