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

How far is Alexandria from San Marcos, Texas?

The distance from Alexandria to San Marcos, Texas is 341.4 miles (549.4 km) as the crow flies. San Marcos, Texas is located WSW of Alexandria. By car, the driving distance is approximately 409.7 miles, taking about 8h 14min. A direct flight would take roughly 1h 11min. Both are located in United States — Alexandria in Louisiana and San Marcos, Texas in Texas.

This is a solid day of driving. Be sure to take breaks every 2-3 hours to avoid driver fatigue, and plan your meals ahead of time. 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.

Coordinates come from public place data for Alexandria and San Marcos, Texas. The driving distance is estimated from straight-line distance with a road-factor model, so confirm the route in your navigation app. Fuel, flight, bus, and train values are planning estimates and can change by date, provider, road closures, and border rules.