Miles between Simi Valley, CA and Ontario, OR

There are
839 mi
from Simi Valley, CA to Ontario, OR

That's the driving distance. It would take 15 hours 54 mins to go from Simi Valley, California to Ontario, Oregon.

The flight distance (direct flight from Simi Valley, CA to Ontario, OR) is 681.11 mi.

839 mi = 1,350.24 kms