There are
1,978 mi
from St Charles, MO to Chico, CA
That's the driving distance. It would take 1 day 10 hours to go from St Charles, Missouri to Chico, California.
The flight distance (direct flight from St Charles, MO to Chico, CA) is 1,668.57 mi.
1,978 mi = 3,184.01 kms