about 300 miles
It is 576.26 miles according to MapQuest.
It is 409 miles according to Google Maps.
It is 379 miles according to Google Maps.
505 miles taking I-12 WEST to I-10 in Baton Rouge, then I-10 WEST to San Antonio.
It is 339 miles according to Google Maps.
It iis 467 miles according to Google Maps.
From San Antonio, Texas to New Orleans, Louisiana it is about 543.3 miles. It would take about 8 to 9 hours to drive this distance.
It is 341 miles according to Google Maps.
612 miles going up to I-10, and taking I-10 WEST to San Antonio, via I-12 WEST (EXIT 267B off I-10 in LOUISIANA).
About 205 road miles.
Miles from Houston to Louisiana border