Miles between Fullerton, CA and Ontario, OR

There are
860 mi
from Fullerton, CA to Ontario, OR

That's the driving distance. It would take 16 hours 23 mins to go from Fullerton, California to Ontario, Oregon.

The flight distance (direct flight from Fullerton, CA to Ontario, OR) is 703.62 mi.

860 mi = 1,383.84 kms