Distance between cities › USA › New Hampshire › Cornish, NH › Distance from Cornish to Washington Dulles International Airport

Distance from Cornish, NH to IAD Airport

Distance

498 mi

Time

8 hours 25 mins

Gas Cost

$48 - $93

Helpful Inaccurate

There are 408.60 miles from Cornish to Washington Dulles International Airport (IAD) in southwest direction and 498 miles (801.45 kilometers) by car, following the I-91 S route.

Cornish and IAD Airport are 8 hours 25 mins far apart, if you drive non-stop .

This is the fastest route from Cornish, NH to IAD Airport. The halfway point is Elizabeth, NJ.

Cornish, NH and IAD Airport are in the same time zone (EDT). Current time in both locations is 9:06 am.

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Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 19.98 gallons of gas to cover the route between Cornish, NH and IAD Airport.

The estimated cost of gas to go from Cornish to IAD Airport is $67.57.

During the route, an average car will release 391.54 pounds of CO₂ to the atmosphere. The carbon footprint would be 0.79 pounds of CO₂ per mile.

Average USA gas price used for calculation is $3.38 per gallon of regular gas. Price last updated on April 18, 2024.
Read more about our CO₂ calculation.

Best Hotels In or Near IAD Airport

Do you have where to stay when you arrive to IAD Airport? Check out our hotel recommendations:

Halfway Point Between Cornish, NH and IAD Airport

If you want to meet halfway between Cornish, NH and IAD Airport or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 40.663143 and -74.177475, or 40º 39' 47.3148" N, 74º 10' 38.91" W. This location is 248.81 miles away from Cornish, NH and IAD Airport and it would take approximately 4 hours 12 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest city to the halfway point is Elizabeth, NJ, situated 265 miles from Cornish, NH and 237 miles from IAD Airport. It would take 4 hours 38 mins to go from Cornish to Elizabeth and 4 hours 8 mins to go from IAD to Elizabeth.

Major City Closest to Halfway Point

The major city closest to the halfway point between Cornish, NH and IAD Airport is Brooklyn, NY, situated 252 miles from Cornish, NH and 254 miles from IAD Airport. It would take 4 hours 24 mins to go from Cornish to and 4 hours 31 mins to go from IAD to Brooklyn.