Miles between San Marcos, CA and Gretna, LA

There are
1,831 mi
from San Marcos, CA to Gretna, LA

That's the driving distance. It would take 1 day 7 hours to go from San Marcos, California to Gretna, Louisiana.

The flight distance (direct flight from San Marcos, CA to Gretna, LA) is 1,607.68 mi.

1,831 mi = 1.61 kms