The trip from San Antonio to McAllen is a 380-kilometer drive south through the heart of South Texas. The most direct route is via US-281 S, which takes you through the brush country. The drive typically takes about 3 hours and 30 minutes. This route is essential for those traveling to the Rio Grande Valley.
Total Distance: Driving distance 380 km; Air distance 350 km.
US-281 is a mix of highway and local roads; watch for speed limit changes.
Autumn or winter to avoid the intense summer heat.