There are
3,256 mi
from Boynton Beach, FL to Seatac, WA
That's the driving distance. It would take 2 days 9 hours to go from Boynton Beach, Florida to Seatac, Washington.
The flight distance (direct flight from Boynton Beach, FL to Seatac, WA) is 2,696.71 mi.
3,256 mi = 4.83 kms