Miles between Simi Valley, CA and Napa, CA

There are
396 mi
from Simi Valley, CA to Napa, CA

That's the driving distance. It would take 7 hours 25 mins to go from Simi Valley, California to Napa, California.

The flight distance (direct flight from Simi Valley, CA to Napa, CA) is 340.70 mi.

396 mi = 637.77 kms