There are
1,140 mi
from Downey, CA to Tukwila, WA
That's the driving distance. It would take 21 hours 33 mins to go from Downey, California to Tukwila, Washington.
The flight distance (direct flight from Downey, CA to Tukwila, WA) is 959.41 mi.
1,140 mi = 1.61 kms