There are
2,766 mi
from Allentown, PA to Tukwila, WA
That's the driving distance. It would take 2 days 1 hour to go from Allentown, Pennsylvania to Tukwila, Washington.
The flight distance (direct flight from Allentown, PA to Tukwila, WA) is 2,334.20 mi.
2,766 mi = 4,451.50 kms