There are 52.85 miles from Grantham to Amherst in southeast direction and 74 miles (119.09 kilometers) by car, following the I-89 S route.
Grantham and Amherst are 1 hour 21 mins far apart, if you drive non-stop .
This is the fastest route from Grantham, NH to Amherst, NH. The halfway point is Hopkinton, NH.
Grantham, NH and Amherst, NH are in the same time zone (EDT). Current time in both locations is 11:23 am.
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