There are 189.11 miles from Houston to San Antonio in west direction and 195 miles (313.82 kilometers) by car, following the I-10 and US-90 W route.
Houston and San Antonio are 2 hours 50 mins far apart, if you drive non-stop .
This is the fastest route from Houston, TX to San Antonio, TX. The halfway point is Schulenburg, TX.
Houston, TX and San Antonio, TX are in the same time zone (CDT). Current time in both locations is 1:27 am.
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