There are
1,750 mi
from Santa Maria, CA to Maryville, MO
That's the driving distance. It would take 1 day 7 hours to go from Santa Maria, California to Maryville, Missouri.
The flight distance (direct flight from Santa Maria, CA to Maryville, MO) is 1,441.63 mi.
1,750 mi = 1.61 kms