There are
986 mi
from Missoula, MT to San Leandro, CA
That's the driving distance. It would take 19 hours 9 mins to go from Missoula, Montana to San Leandro, California.
The flight distance (direct flight from Missoula, MT to San Leandro, CA) is 754.94 mi.
986 mi = 1,586.79 kms