There are
1,177 mi
from San Bernardino, CA to Seatac, WA
That's the driving distance. It would take 22 hours 18 mins to go from San Bernardino, California to Seatac, Washington.
The flight distance (direct flight from San Bernardino, CA to Seatac, WA) is 958.38 mi.
1,177 mi = 1.61 kms