There are 664.58 miles from Saint Louis to George Bush Intercontinental Airport (IAH) in southwest direction and 820 miles (1,319.66 kilometers) by car, following the I-55 S route.
Saint Louis and IAH Airport are 13 hours 5 mins far apart, if you drive non-stop .
This is the fastest route from Saint Louis, MO to IAH Airport. The halfway point is Little Rock, AR.
Saint Louis, MO and IAH Airport are in the same time zone (CDT). Current time in both locations is 4:51 am.
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