There are 8.95 miles from Saint Louis to Affton in southwest direction and 11 miles (17.70 kilometers) by car, following the I-55 S route.
Saint Louis and Affton are 15 minutes far apart, if you drive non-stop .
This is the fastest route from Saint Louis, MO to Affton, MO.
Saint Louis, MO and Affton, MO are in the same time zone (CDT). Current time in both locations is 3:00 pm.
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