There are 18.05 miles from Northfield to Alton Bay in east direction and 24 miles (38.62 kilometers) by car, following the NH 140 route.
Northfield and Alton Bay are 38 minutes far apart, if you drive non-stop .
This is the fastest route from Northfield, NH to Alton Bay, NH. The halfway point is Gilmanton, NH.
Northfield, NH and Alton Bay, NH are in the same time zone (EDT). Current time in both locations is 5:38 am.
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