There are
1,215 mi
from Missoula, MT to Artesia, CA
That's the driving distance. It would take 20 hours 25 mins to go from Missoula, Montana to Artesia, California.
The flight distance (direct flight from Missoula, MT to Artesia, CA) is 922.63 mi.
1,215 mi = 1.61 kms