This will depend on a variety of factors and will be different for different times of the year.
Price san Antonio to Atlanta
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 989 miles according to MapQuest.
It is 989.63 miles according to MapQuest.
~2 hours and 40 minutes
Fifteen hours and 43 minutes or 943 minutes.
Yes it is in Atlanta, Georgia
The driving distance from Dallas, Texas to Atlanta, Georgia is 782 miles.
Google Maps estimates the drivng time as 16 hours and 11 minutes.
A close halfway point between Atlanta, Georgia and San Antonio, Texas is Baton Rouge, Louisiana. However, the exact halfway point is actually Holden, Louisiana.
He was born in Dallas, Texas, but he claims Atlanta, Georgia.
The estimated driving time provided by MapQuest is 15 hours and 14 minutes.