Roswell, New Mexico to San Marcos, Texas: Road Trip Guide & Distance

How far is Roswell, New Mexico from San Marcos, Texas?

The distance from Roswell, New Mexico to San Marcos, Texas is 456.8 miles (735.2 km) as the crow flies. San Marcos, Texas is located ESE of Roswell, New Mexico. By car, the driving distance is approximately 548.2 miles, taking about 11h 2min. A direct flight would take roughly 1h 25min. Both are located in United States — Roswell, New Mexico in New Mexico 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. 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 Roswell, New Mexico 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.