Miles between San Mateo, CA and Walnut, CA

There are
394 mi
from San Mateo, CA to Walnut, CA

That's the driving distance. It would take 7 hours 29 mins to go from San Mateo, California to Walnut, California.

The flight distance (direct flight from San Mateo, CA to Walnut, CA) is 349.80 mi.

394 mi = 634.61 kms