There are
3,272 mi
from Deerfield Beach, FL to Seatac, WA
That's the driving distance. It would take 2 days 10 hours to go from Deerfield Beach, Florida to Seatac, Washington.
The flight distance (direct flight from Deerfield Beach, FL to Seatac, WA) is 2,705.12 mi.
3,272 mi = 4.83 kms