Flying distance from Austin to San Antonio = Miles
Flying distance, or straight line distance between Austin, TX, United States and San Antonio, TX, United States is miles. Estimated flight duration time for this hypothetical flight would be around , assuming an average flight speed of 560 Miles per hour.
If you get on a plane leaving right now from Austin, TX, United States (departure: - local time) your arrival time would be in San Antonio, TX, United States.
If you prefer to travel by car you can calculate driving distance, and get detailed driving directions here.