Miles between San Marcos, CA and Rio Grande City, TX

There are
1,444 mi
from San Marcos, CA to Rio Grande City, TX

That's the driving distance. It would take 1 day 1 hour to go from San Marcos, California to Rio Grande City, Texas.

The flight distance (direct flight from San Marcos, CA to Rio Grande City, TX) is 1,193.25 mi.

1,444 mi = 1.61 kms