There are
1,394 mi
from Yuma, AZ to Seatac, WA
That's the driving distance. It would take 1 day 2 hours to go from Yuma, Arizona to Seatac, Washington.
The flight distance (direct flight from Yuma, AZ to Seatac, WA) is 1,096.67 mi.
1,394 mi = 1.61 kms