Miles between San Marcos, CA and Douglas, AZ

There are
543 mi
from San Marcos, CA to Douglas, AZ

That's the driving distance. It would take 10 hours 4 mins to go from San Marcos, California to Douglas, Arizona.

The flight distance (direct flight from San Marcos, CA to Douglas, AZ) is 462.25 mi.

543 mi = 874.47 kms