Miles between Simi Valley, CA and St Helens, OR

There are
986 mi
from Simi Valley, CA to St Helens, OR

That's the driving distance. It would take 18 hours 48 mins to go from Simi Valley, California to St Helens, Oregon.

The flight distance (direct flight from Simi Valley, CA to St Helens, OR) is 828.44 mi.

986 mi = 1,586.50 kms