There are
1,058 mi
from Missoula, MT to Mendota, CA
That's the driving distance. It would take 20 hours 33 mins to go from Missoula, Montana to Mendota, California.
The flight distance (direct flight from Missoula, MT to Mendota, CA) is 770.72 mi.
1,058 mi = 1.61 kms