There are
1,912 mi
from Montebello, CA to Picayune, MS
That's the driving distance. It would take 1 day 9 hours to go from Montebello, California to Picayune, Mississippi.
The flight distance (direct flight from Montebello, CA to Picayune, MS) is 1,673.13 mi.
1,912 mi = 3,076.43 kms