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

How far is Odessa from San Marcos, Texas?

The distance from Odessa to San Marcos, Texas is 295.4 miles (475.4 km) as the crow flies. San Marcos, Texas is located ESE of Odessa. By car, the driving distance is approximately 369.3 miles, taking about 7h 26min. A direct flight would take roughly 1h 6min. Both are located in United States.

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. Heading East means you'll be driving into the sunrise if you start early. Keep your windshield clean for the best visibility.

Coordinates come from public place data for Odessa 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.