There are
804 mi
from Pleasanton, CA to Tukwila, WA
That's the driving distance. It would take 15 hours 29 mins to go from Pleasanton, California to Tukwila, Washington.
The flight distance (direct flight from Pleasanton, CA to Tukwila, WA) is 678.20 mi.
804 mi = 1,293.41 kms