There are 413.29 miles from Cornish Flat to Washington Dulles International Airport (IAD) in southwest direction and 504 miles (811.11 kilometers) by car, following the I-91 S route.
Cornish Flat and IAD Airport are 8 hours 36 mins far apart, if you drive non-stop .
This is the fastest route from Cornish Flat, NH to IAD Airport. The halfway point is Newark, NJ.
Cornish Flat, NH and IAD Airport are in the same time zone (EDT). Current time in both locations is 9:22 pm.
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