There are
1,775 mi
from Ridgewood, NJ to San Marcos, TX
That's the driving distance. It would take 1 day 8 hours to go from Ridgewood, New Jersey to San Marcos, Texas.
The flight distance (direct flight from Ridgewood, NJ to San Marcos, TX) is 1,537.47 mi.
1,775 mi = 2,857.06 kms