Miles between Ontario, CA and Tigard, OR

There are
991 mi
from Ontario, CA to Tigard, OR

That's the driving distance. It would take 18 hours 38 mins to go from Ontario, California to Tigard, Oregon.

The flight distance (direct flight from Ontario, CA to Tigard, OR) is 830.75 mi.

991 mi = 1,594.12 kms