Miles between Vacaville, CA and St Helens, OR

There are
609 mi
from Vacaville, CA to St Helens, OR

That's the driving distance. It would take 11 hours 51 mins to go from Vacaville, California to St Helens, Oregon.

The flight distance (direct flight from Vacaville, CA to St Helens, OR) is 520.12 mi.

609 mi = 979.69 kms