how many miles from san antonio to houston
San Antonio San Antonio is approximately 75 miles (121 km) to the southwest of its neighboring city, Austin, the state capital, about 190 miles (310 km) west of Houston, and about 250 miles (400 km) south of the Dallas–Fort Worth area. The city has a total area of 465.4 square miles (1,205.4 km2)—460.93 square miles (1,193.8 km2) of which is land and 4.5 square miles (11.7 km2) of water.[4] The city sits on the Balcones Escarpment. Its altitude is 650 feet (198 m) above sea level.