Miles between Ontario, CA and Menlo Park, CA

There are
394 mi
from Ontario, CA to Menlo Park, CA

That's the driving distance. It would take 7 hours 31 mins to go from Ontario, California to Menlo Park, California.

The flight distance (direct flight from Ontario, CA to Menlo Park, CA) is 345.48 mi.

394 mi = 634.66 kms