There are
1,916 mi
from St Charles, MO to Visalia, CA
That's the driving distance. It would take 1 day 9 hours to go from St Charles, Missouri to Visalia, California.
The flight distance (direct flight from St Charles, MO to Visalia, CA) is 1,578.92 mi.
1,916 mi = 3,083.87 kms