Miles between Simi Valley, CA and Hermiston, OR

There are
1,032 mi
from Simi Valley, CA to Hermiston, OR

That's the driving distance. It would take 19 hours 24 mins to go from Simi Valley, California to Hermiston, Oregon.

The flight distance (direct flight from Simi Valley, CA to Hermiston, OR) is 799.93 mi.

1,032 mi = 1.61 kms