There are
788 mi
from Novato, CA to Tukwila, WA
That's the driving distance. It would take 15 hours 14 mins to go from Novato, California to Tukwila, Washington.
The flight distance (direct flight from Novato, CA to Tukwila, WA) is 647.36 mi.
788 mi = 1,267.53 kms