Miles between Costa Mesa, CA and The Dalles, OR

There are
991 mi
from Costa Mesa, CA to The Dalles, OR

That's the driving distance. It would take 19 hours 9 mins to go from Costa Mesa, California to The Dalles, Oregon.

The flight distance (direct flight from Costa Mesa, CA to The Dalles, OR) is 843.74 mi.

991 mi = 1,595.07 kms