Miles between Simi Valley, CA and Antioch, CA

There are
349 mi
from Simi Valley, CA to Antioch, CA

That's the driving distance. It would take 6 hours 36 mins to go from Simi Valley, California to Antioch, California.

The flight distance (direct flight from Simi Valley, CA to Antioch, CA) is 308.35 mi.

349 mi = 560.85 kms