There are
2,773 mi
from Tacoma, WA to Allentown, PA
That's the driving distance. It would take 2 days 1 hour to go from Tacoma, Washington to Allentown, Pennsylvania.
The flight distance (direct flight from Tacoma, WA to Allentown, PA) is 2,344.33 mi.
2,773 mi = 3.22 kms