There are
786 mi
from Pittsburg, CA to Tukwila, WA
That's the driving distance. It would take 15 hours 8 mins to go from Pittsburg, California to Tukwila, Washington.
The flight distance (direct flight from Pittsburg, CA to Tukwila, WA) is 652.93 mi.
786 mi = 1,265.55 kms