About 325 miles.
http://maps.Google.com/maps?f=q&hl=en&geocode=&q=san+antonio+tx+to+midland+tx&sll=37.0625,-95.677068&sspn=55.937499,108.984375&ie=UTF8&z=7
325 miles
It's 325 miles from Midland TX to San Antonio TX
330 miles taking this route:Follow U.S. 87 NORTH from San Antonio to SH-158. Stay left, and go onto SH-158 WEST to Midland.Take SH-158 WEST to Midland.
It is 332 miles according to Google Maps.
About 330 miles on I-10 E; 4.5 to 5.5 hours driving time.
It is 214 miles from Spring to San Antonio.
359 miles, about 5 hours and 54 minutes by car.
How many miles from Springtown Tx to San Antonio Tx
San Antonio, TX is 412 sq miles (1,067 km²).
The distance beween San Antonio and El Paso is 555 miles
The distance between San Antonio, TX, and Dallas, TX, is 277 miles.
There are 292 miles between San Antonio, Texas and Vinton, Louisiana.