There are
1,812 mi
from Montebello, CA to Arnold, MO
That's the driving distance. It would take 1 day 7 hours to go from Montebello, California to Arnold, Missouri.
The flight distance (direct flight from Montebello, CA to Arnold, MO) is 1,569.57 mi.
1,812 mi = 2,916.33 kms