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How far is Washington D.C. from Castries?

The distance between Castries (George F. L. Charles Airport) and Washington D.C. (Washington Dulles International Airport) is 1989 miles / 3200 kilometers / 1728 nautical miles.

George F. L. Charles Airport – Washington Dulles International Airport

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1989
Miles
Distance arrow
3200
Kilometers
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1728
Nautical miles

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Distance from Castries to Washington D.C.

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

Vincenty's formula (applied above)
  • 1988.690 miles
  • 3200.486 kilometers
  • 1728.124 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
  • 1992.984 miles
  • 3207.397 kilometers
  • 1731.856 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 Castries to Washington D.C.?

The estimated flight time from George F. L. Charles Airport to Washington Dulles International Airport is 4 hours and 15 minutes.

Flight carbon footprint between George F. L. Charles Airport (SLU) and Washington Dulles International Airport (IAD)

On average, flying from Castries to Washington D.C. generates about 217 kg of CO2 per passenger, and 217 kilograms equals 478 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

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

See the map of the shortest flight path between George F. L. Charles Airport (SLU) and Washington Dulles International Airport (IAD).

Airport information

Origin George F. L. Charles Airport
City: Castries
Country: Saint Lucia Flag of Saint Lucia
IATA Code: SLU
ICAO Code: TLPC
Coordinates: 14°1′12″N, 60°59′34″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