Miles between Santa Rosa, CA and St Helens, OR

There are
639 mi
from Santa Rosa, CA to St Helens, OR

That's the driving distance. It would take 13 hours 1 min to go from Santa Rosa, California to St Helens, Oregon.

The flight distance (direct flight from Santa Rosa, CA to St Helens, OR) is 512.62 mi.

639 mi = 1,029.09 kms