Miles between Napa, CA and San Marcos, CA

There are
499 mi
from Napa, CA to San Marcos, CA

That's the driving distance. It would take 9 hours 27 mins to go from Napa, California to San Marcos, California.

The flight distance (direct flight from Napa, CA to San Marcos, CA) is 458.16 mi.

499 mi = 802.85 kms