Traveling from Alexandria to San Antonio involves a journey of roughly 480 miles. You will head south on I-49 toward Lafayette before merging onto I-10 West. This route takes you across the Louisiana-Texas border and through the heart of the Texas Gulf Coast region. Expect a total travel time of approximately 7 hours and 30 minutes. The drive is mostly flat, passing through major cities like Beaumont and Houston.
Total Distance: 775 km driving distance; 650 km straight-line air distance.
Avoid Houston during rush hour to save at least 60 minutes of travel time.
Autumn months of October and November for pleasant weather and fewer crowds.