There are
768 mi
from San Mateo, CA to Lacey, WA
That's the driving distance. It would take 14 hours 47 mins to go from San Mateo, California to Lacey, Washington.
The flight distance (direct flight from San Mateo, CA to Lacey, WA) is 654.89 mi.
768 mi = 1,236.57 kms