There are
1,429 mi
from Chandler, AZ to Seatac, WA
That's the driving distance. It would take 1 day 3 hours to go from Chandler, Arizona to Seatac, Washington.
The flight distance (direct flight from Chandler, AZ to Seatac, WA) is 1,120.06 mi.
1,429 mi = 2,299.46 kms