Miles between Ontario, CA and Gresham, OR

There are
1,008 mi
from Ontario, CA to Gresham, OR

That's the driving distance. It would take 19 hours 9 mins to go from Ontario, California to Gresham, Oregon.

The flight distance (direct flight from Ontario, CA to Gresham, OR) is 829.54 mi.

1,008 mi = 1.61 kms