There are
1,136 mi
from Gardena, CA to Seatac, WA
That's the driving distance. It would take 21 hours 30 mins to go from Gardena, California to Seatac, Washington.
The flight distance (direct flight from Gardena, CA to Seatac, WA) is 960.23 mi.
1,136 mi = 1,828.37 kms