There are
828 mi
from San Mateo, CA to Issaquah, WA
That's the driving distance. It would take 16 hours 7 mins to go from San Mateo, California to Issaquah, Washington.
The flight distance (direct flight from San Mateo, CA to Issaquah, WA) is 688.82 mi.
828 mi = 1,332.87 kms