There are
2,744 mi
from Washington, DC to Tukwila, WA
That's the driving distance. It would take 2 days to go from Washington, District of Columbia to Tukwila, Washington.
The flight distance (direct flight from Washington, DC to Tukwila, WA) is 2,319.05 mi.
2,744 mi = 4,416.74 kms