There are
847 mi
from Missoula, MT to Susanville, CA
That's the driving distance. It would take 16 hours 28 mins to go from Missoula, Montana to Susanville, California.
The flight distance (direct flight from Missoula, MT to Susanville, CA) is 554.77 mi.
847 mi = 1,362.47 kms