There are 17.09 miles from Austin to Round Rock in northeast direction and 19 miles (30.58 kilometers) by car, following the I-35 N and US-290 route.
Austin and Round Rock are 19 minutes far apart, if you drive non-stop .
This is the fastest route from Austin, TX to Round Rock, TX.
Austin, TX and Round Rock, TX are in the same time zone (CDT). Current time in both locations is 7:56 pm.
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