There are
837 mi
from Fremont, CA to Sammamish, WA
That's the driving distance. It would take 16 hours 12 mins to go from Fremont, California to Sammamish, Washington.
The flight distance (direct flight from Fremont, CA to Sammamish, WA) is 697.41 mi.
837 mi = 1,346.60 kms