There are
834 mi
from Cupertino, CA to Seatac, WA
That's the driving distance. It would take 16 hours 6 mins to go from Cupertino, California to Seatac, Washington.
The flight distance (direct flight from Cupertino, CA to Seatac, WA) is 700.12 mi.
834 mi = 1,342.16 kms