There are
344 mi
from Montebello, CA to Mesquite, NV
That's the driving distance. It would take 6 hours 15 mins to go from Montebello, California to Mesquite, Nevada.
The flight distance (direct flight from Montebello, CA to Mesquite, NV) is 298.39 mi.
344 mi = 553.66 kms