There are
1,620 mi
from Norwalk, CA to Maryville, MO
That's the driving distance. It would take 1 day 4 hours to go from Norwalk, California to Maryville, Missouri.
The flight distance (direct flight from Norwalk, CA to Maryville, MO) is 1,349.14 mi.
1,620 mi = 1.61 kms