Miles between Ontario, CA and Petaluma, CA

There are
445 mi
from Ontario, CA to Petaluma, CA

That's the driving distance. It would take 8 hours 24 mins to go from Ontario, California to Petaluma, California.

The flight distance (direct flight from Ontario, CA to Petaluma, CA) is 400.32 mi.

445 mi = 715.96 kms