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

Distance from Merrimack, NH to IAD Airport

Distance

484 mi

Time

8 hours 22 mins

Gas Cost

$47 - $91

Helpful Inaccurate

There are 412.20 miles from Merrimack to Washington Dulles International Airport (IAD) in southwest direction and 484 miles (778.92 kilometers) by car, following the I-95 and NJTP S route.

Merrimack and IAD Airport are 8 hours 22 mins far apart, if you drive non-stop .

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

Merrimack, NH and IAD Airport are in the same time zone (EDT). Current time in both locations is 4:08 am.

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Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 19.45 gallons of gas to cover the route between Merrimack, NH and IAD Airport.

The estimated cost of gas to go from Merrimack to IAD Airport is $65.75.

During the route, an average car will release 381.01 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 Merrimack, NH and IAD Airport

If you want to meet halfway between Merrimack, 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 40.704105 and -74.143700, or 40º 42' 14.778" N, 74º 8' 37.32" W. This location is 242.12 miles away from Merrimack, NH and IAD Airport and it would take approximately 4 hours 11 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is EWR, NJ, situated 250 miles from Merrimack, NH and 241 miles from IAD Airport. It would take 4 hours 32 mins to go from Merrimack to EWR and 4 hours 12 mins to go from IAD to EWR.

Major City Closest to Halfway Point

The major city closest to the halfway point between Merrimack, NH and IAD Airport is Brooklyn, NY, situated 238 miles from Merrimack, NH and 254 miles from IAD Airport. It would take 4 hours 19 mins to go from Merrimack to and 4 hours 31 mins to go from IAD to Brooklyn.