Miles between Gresham, OR and Simi Valley, CA

There are
971 mi
from Gresham, OR to Simi Valley, CA

That's the driving distance. It would take 18 hours 27 mins to go from Gresham, Oregon to Simi Valley, California.

The flight distance (direct flight from Gresham, OR to Simi Valley, CA) is 799.48 mi.

971 mi = 1,562.46 kms