Austin, Texas to San Marcos, Texas: Road Trip Guide & Distance

How far is Austin, Texas from San Marcos, Texas?

The distance from Austin, Texas to San Marcos, Texas is 29.1 miles (46.8 km) as the crow flies. San Marcos, Texas is located SSW of Austin, Texas. By car, the driving distance is approximately 31 miles, taking about 37min. A direct flight would take roughly 34min. Both are located in United States.

This is a very short trip, perfect for a quick morning drive or an easy commute. Since you'll be heading mostly West, pack a good pair of sunglasses if you plan to drive during the late afternoon to avoid the harsh sun glare. Given the short distance, driving or taking a train is often faster and more convenient than dealing with airport security and flight boarding times.

Coordinates come from public place data for Austin, Texas and San Marcos, Texas. The driving distance uses an OSRM road-route result when route data is available. Fuel, flight, bus, and train values are planning estimates and can change by date, provider, road closures, and border rules.