Miles between Ontario, CA and Hermiston, OR

There are
1,027 mi
from Ontario, CA to Hermiston, OR

That's the driving distance. It would take 19 hours 22 mins to go from Ontario, California to Hermiston, Oregon.

The flight distance (direct flight from Ontario, CA to Hermiston, OR) is 818.28 mi.

1,027 mi = 1.61 kms