There are
1,510 mi
from Mesa, AZ to Seatac, WA
That's the driving distance. It would take 1 day 3 hours to go from Mesa, Arizona to Seatac, Washington.
The flight distance (direct flight from Mesa, AZ to Seatac, WA) is 1,113.56 mi.
1,510 mi = 1.61 kms