There are
1,615 mi
from Monterey Park, CA to Maryville, MO
That's the driving distance. It would take 1 day 4 hours to go from Monterey Park, California to Maryville, Missouri.
The flight distance (direct flight from Monterey Park, CA to Maryville, MO) is 1,346.43 mi.
1,615 mi = 2,598.59 kms