There are
1,213 mi
from Missoula, MT to La Palma, CA
That's the driving distance. It would take 20 hours 23 mins to go from Missoula, Montana to La Palma, California.
The flight distance (direct flight from Missoula, MT to La Palma, CA) is 923.51 mi.
1,213 mi = 1.61 kms