There are 23.87 miles from Troy to Alstead in northwest direction and 28 miles (45.06 kilometers) by car, following the NH 12A route.
Troy and Alstead are 45 minutes far apart, if you drive non-stop .
This is the fastest route from Troy, NH to Alstead, NH. The halfway point is Surry, NH.
Troy, NH and Alstead, NH are in the same time zone (EDT). Current time in both locations is 7:41 pm.
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