There are
638 mi
from Wichita Falls, TX to St Charles, MO
That's the driving distance. It would take 11 hours 26 mins to go from Wichita Falls, Texas to St Charles, Missouri.
The flight distance (direct flight from Wichita Falls, TX to St Charles, MO) is 557.05 mi.
638 mi = 1,026.07 kms