Miles between Union City, CA and Sammamish, WA

There are
834 mi
from Union City, CA to Sammamish, WA

That's the driving distance. It would take 16 hours 7 mins to go from Union City, California to Sammamish, Washington.

The flight distance (direct flight from Union City, CA to Sammamish, WA) is 694.38 mi.

834 mi = 1,341.63 kms