There are 8.73 miles from Newmarket to Portsmouth in east direction and 13 miles (20.92 kilometers) by car, following the NH 33 route.
Newmarket and Portsmouth are 22 minutes far apart, if you drive non-stop .
This is the fastest route from Newmarket, NH to Portsmouth, NH.
Newmarket, NH and Portsmouth, NH are in the same time zone (EDT). Current time in both locations is 9:58 pm.
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