There are
1,083 mi
from Pasco, WA to Montebello, CA
That's the driving distance. It would take 20 hours 24 mins to go from Pasco, Washington to Montebello, California.
The flight distance (direct flight from Pasco, WA to Montebello, CA) is 846.12 mi.
1,083 mi = 1,742.67 kms