Miles between Ontario, CA and Gladstone, OR

There are
993 mi
from Ontario, CA to Gladstone, OR

That's the driving distance. It would take 18 hours 43 mins to go from Ontario, California to Gladstone, Oregon.

The flight distance (direct flight from Ontario, CA to Gladstone, OR) is 824.49 mi.

993 mi = 1,597.74 kms