driving distance from san antonio to dallas tx
Driving distance from Dallas, TX to San Antonio, TX. The total driving distance from Dallas, TX to San Antonio, TX is 275 miles or 443 kilometers. Your trip begins in Dallas, Texas. It ends in San Antonio, Texas. If you are planning a road trip, you might also want to calculate the total driving time from Dallas, TX to San Antonio, TX so you can see when you'll arrive at your destination.