There are 248.97 miles from Houston to McKinney in northwest direction and 270 miles (434.52 kilometers) by car, following the I-45 N route.
Houston and McKinney are 4 hours 36 mins far apart, if you drive non-stop .
This is the fastest route from Houston, TX to McKinney, TX. The halfway point is Buffalo, TX.
Houston, TX and McKinney, TX are in the same time zone (CDT). Current time in both locations is 9:04 pm.
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