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How far is Belfast from Washington D.C.?

The distance between Washington D.C. (Washington Dulles International Airport) and Belfast (Belfast International Airport) is 3387 miles / 5451 kilometers / 2943 nautical miles.

Washington Dulles International Airport – Belfast International Airport

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3387
Miles
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5451
Kilometers
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2943
Nautical miles

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Distance from Washington D.C. to Belfast

There are several ways to calculate the distance from Washington D.C. to Belfast. Here are two standard methods:

Vincenty's formula (applied above)
  • 3387.049 miles
  • 5450.927 kilometers
  • 2943.265 nautical miles

Vincenty's formula calculates the distance between latitude/longitude points on the earth's surface using an ellipsoidal model of the planet.

Haversine formula
  • 3378.439 miles
  • 5437.071 kilometers
  • 2935.784 nautical miles

The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance – the shortest distance between two points).

How long does it take to fly from Washington D.C. to Belfast?

The estimated flight time from Washington Dulles International Airport to Belfast International Airport is 6 hours and 54 minutes.

Flight carbon footprint between Washington Dulles International Airport (IAD) and Belfast International Airport (BFS)

On average, flying from Washington D.C. to Belfast generates about 381 kg of CO2 per passenger, and 381 kilograms equals 840 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Washington D.C. to Belfast

See the map of the shortest flight path between Washington Dulles International Airport (IAD) and Belfast International Airport (BFS).

Airport information

Origin Washington Dulles International Airport
City: Washington D.C.
Country: United States Flag of United States
IATA Code: IAD
ICAO Code: KIAD
Coordinates: 38°56′40″N, 77°27′20″W
Destination Belfast International Airport
City: Belfast
Country: United Kingdom Flag of United Kingdom
IATA Code: BFS
ICAO Code: EGAA
Coordinates: 54°39′27″N, 6°12′56″W