There are
2,009 mi
from Manteca, CA to St Charles, MO
That's the driving distance. It would take 1 day 10 hours to go from Manteca, California to St Charles, Missouri.
The flight distance (direct flight from Manteca, CA to St Charles, MO) is 1,658.61 mi.
2,009 mi = 3,232.75 kms