There are
1,827 mi
from St Charles, MO to Norwalk, CA
That's the driving distance. It would take 1 day 7 hours to go from St Charles, Missouri to Norwalk, California.
The flight distance (direct flight from St Charles, MO to Norwalk, CA) is 1,564.69 mi.
1,827 mi = 2,940.47 kms