There are 427.88 miles from Grafton to Washington Dulles International Airport (IAD) in southwest direction and 536 miles (862.61 kilometers) by car, following the I-91 S route.
Grafton and IAD Airport are 9 hours 10 mins far apart, if you drive non-stop .
This is the fastest route from Grafton, NH to IAD Airport. The halfway point is Fort Lee, NJ.
Grafton, NH and IAD Airport are in the same time zone (EDT). Current time in both locations is 11:04 am.
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