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

How far is Houston from San Marcos, Texas?

The distance from Houston to San Marcos, Texas is 154.4 miles (248.5 km) as the crow flies. San Marcos, Texas is located W of Houston. By car, the driving distance is approximately 165.5 miles, taking about 3h 3min. A direct flight would take roughly 49min. Both are located in United States.

For a drive of this length, it's recommended to plan at least one quick rest stop to stretch your legs and grab a coffee. 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 Houston 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.