There are
833 mi
from San Mateo, CA to Kirkland, WA
That's the driving distance. It would take 16 hours 8 mins to go from San Mateo, California to Kirkland, Washington.
The flight distance (direct flight from San Mateo, CA to Kirkland, WA) is 699.15 mi.
833 mi = 1,340.52 kms