Distance from San Antonio - Texas to Dallas - Texas

274 mi | 4 h 29 min

The distance from San Antonio to Dallas by car is 274 mi (or 440 km). The estimated driving time for the trip is 4 h 29 min and the main road for this route is the I 35, US 290. In a straight line the distance between San Antonio and Dallas is 253 mi (407 km).