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How far is Washington D.C. from Cardiff?

The distance between Cardiff (Cardiff Airport) and Washington D.C. (Washington Dulles International Airport) is 3560 miles / 5729 kilometers / 3093 nautical miles.

Cardiff Airport – Washington Dulles International Airport

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3560
Miles
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5729
Kilometers
Distance arrow
3093
Nautical miles

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Distance from Cardiff to Washington D.C.

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

Vincenty's formula (applied above)
  • 3559.703 miles
  • 5728.786 kilometers
  • 3093.297 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
  • 3550.510 miles
  • 5713.992 kilometers
  • 3085.309 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 Cardiff to Washington D.C.?

The estimated flight time from Cardiff Airport to Washington Dulles International Airport is 7 hours and 14 minutes.

Flight carbon footprint between Cardiff Airport (CWL) and Washington Dulles International Airport (IAD)

On average, flying from Cardiff to Washington D.C. generates about 402 kg of CO2 per passenger, and 402 kilograms equals 886 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

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

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

Airport information

Origin Cardiff Airport
City: Cardiff
Country: United Kingdom Flag of United Kingdom
IATA Code: CWL
ICAO Code: EGFF
Coordinates: 51°23′48″N, 3°20′35″W
Destination 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