Miles between Union City, CA and Seatac, WA

There are
811 mi
from Union City, CA to Seatac, WA

That's the driving distance. It would take 15 hours 39 mins to go from Union City, California to Seatac, Washington.

The flight distance (direct flight from Union City, CA to Seatac, WA) is 681.53 mi.

811 mi = 1,305.51 kms