There are 122.88 miles from Saint Charles to Armstrong in northwest direction and 140 miles (225.31 kilometers) by car, following the I-70 W route.
Saint Charles and Armstrong are 2 hours 18 mins far apart, if you drive non-stop .
This is the fastest route from Saint Charles, MO to Armstrong, MO. The halfway point is Williamsburg, MO.
Saint Charles, MO and Armstrong, MO are in the same time zone (CDT). Current time in both locations is 3:45 am.
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