Miles between Simi Valley, CA and Grass Valley, CA

There are
437 mi
from Simi Valley, CA to Grass Valley, CA

That's the driving distance. It would take 8 hours 12 mins to go from Simi Valley, California to Grass Valley, California.

The flight distance (direct flight from Simi Valley, CA to Grass Valley, CA) is 364.51 mi.

437 mi = 703.17 kms