Miles between San Marcos, CA and Napa, CA

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

That's the driving distance. It would take 9 hours 22 mins to go from San Marcos, California to Napa, California.

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

499 mi = 802.43 kms