There are
811 mi
from Stockton, CA to Sammamish, WA
That's the driving distance. It would take 15 hours 39 mins to go from Stockton, California to Sammamish, Washington.
The flight distance (direct flight from Stockton, CA to Sammamish, WA) is 670.29 mi.
811 mi = 1,305.43 kms