There are 547.79 miles from Saint Louis to Dallas in southwest direction and 633 miles (1,018.71 kilometers) by car, following the I-44 W route.
Saint Louis and Dallas are 9 hours 55 mins far apart, if you drive non-stop .
This is the fastest route from Saint Louis, MO to Dallas, TX. The halfway point is Peoria, OK.
Saint Louis, MO and Dallas, TX are in the same time zone (CDT). Current time in both locations is 4:26 pm.
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