Oklahoma City to San Marcos, Texas: Road Trip Guide & Distance

How far is Oklahoma City from San Marcos, Texas?

The distance from Oklahoma City to San Marcos, Texas is 386.6 miles (622.2 km) as the crow flies. San Marcos, Texas is located S of Oklahoma City. By car, the driving distance is approximately 416.9 miles, taking about 7h 20min. A direct flight would take roughly 1h 17min. Both are located in United States — Oklahoma City in Oklahoma 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. As you head South, expect warmer temperatures. Make sure your car's AC is working well before embarking on this journey.

Coordinates come from public place data for Oklahoma City 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.