There are 292 miles between San Antonio, Texas and Vinton, Louisiana.
Cocodrie, Louisiana.
It is 341 miles according to Google Maps.
It is 510 miles according to Google Maps.
According to the Geographic Midpoint Calculator in the related link, the halfway point between San Antonio, Texas and Atlanta, Georgia is near Clayton, Louisiana.
It is 409 miles according to Google Maps.
Its 8 to New Orleans, 6 to Lake Charles so I believe its 6 to 6.5.
A close halfway point between Atlanta, Georgia and San Antonio, Texas is Baton Rouge, Louisiana. However, the exact halfway point is actually Holden, Louisiana.
Boise, Texas
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north
It iis 467 miles according to Google Maps.