Miles between Oceanside, CA and Ontario, OR

There are
902 mi
from Oceanside, CA to Ontario, OR

That's the driving distance. It would take 17 hours 12 mins to go from Oceanside, California to Ontario, Oregon.

The flight distance (direct flight from Oceanside, CA to Ontario, OR) is 748.66 mi.

902 mi = 1,451.79 kms