There are
1,861 mi
from St Charles, MO to Thousand Oaks, CA
That's the driving distance. It would take 1 day 8 hours to go from St Charles, Missouri to Thousand Oaks, California.
The flight distance (direct flight from St Charles, MO to Thousand Oaks, CA) is 1,598.96 mi.
1,861 mi = 2,995.05 kms