There are
1,173 mi
from Fullerton, CA to Sammamish, WA
That's the driving distance. It would take 22 hours 16 mins to go from Fullerton, California to Sammamish, Washington.
The flight distance (direct flight from Fullerton, CA to Sammamish, WA) is 975.67 mi.
1,173 mi = 1.61 kms