There are
490 mi
from Missoula, MT to Lynnwood, WA
That's the driving distance. It would take 9 hours 1 min to go from Missoula, Montana to Lynnwood, Washington.
The flight distance (direct flight from Missoula, MT to Lynnwood, WA) is 393.80 mi.
490 mi = 788.45 kms