There are
3,095 mi
from Lakeland, FL to Seatac, WA
That's the driving distance. It would take 2 days 7 hours to go from Lakeland, Florida to Seatac, Washington.
The flight distance (direct flight from Lakeland, FL to Seatac, WA) is 2,540.79 mi.
3,095 mi = 4.83 kms