Miles between Ontario, CA and Walnut Creek, CA

There are
399 mi
from Ontario, CA to Walnut Creek, CA

That's the driving distance. It would take 7 hours 25 mins to go from Ontario, California to Walnut Creek, California.

The flight distance (direct flight from Ontario, CA to Walnut Creek, CA) is 362.40 mi.

399 mi = 642.19 kms