There are
1,042 mi
from Santa Maria, CA to Tukwila, WA
That's the driving distance. It would take 20 hours 4 mins to go from Santa Maria, California to Tukwila, Washington.
The flight distance (direct flight from Santa Maria, CA to Tukwila, WA) is 870.23 mi.
1,042 mi = 1.61 kms