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How far is San Sebastian from Washington D.C.?

The distance between Washington D.C. (Washington Dulles International Airport) and San Sebastian (San Sebastián Airport) is 3820 miles / 6147 kilometers / 3319 nautical miles.

Washington Dulles International Airport – San Sebastián Airport

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3820
Miles
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6147
Kilometers
Distance arrow
3319
Nautical miles

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Distance from Washington D.C. to San Sebastian

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

Vincenty's formula (applied above)
  • 3819.602 miles
  • 6147.054 kilometers
  • 3319.144 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
  • 3809.945 miles
  • 6131.512 kilometers
  • 3310.752 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 San Sebastian?

The estimated flight time from Washington Dulles International Airport to San Sebastián Airport is 7 hours and 43 minutes.

Flight carbon footprint between Washington Dulles International Airport (IAD) and San Sebastián Airport (EAS)

On average, flying from Washington D.C. to San Sebastian generates about 434 kg of CO2 per passenger, and 434 kilograms equals 957 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 San Sebastian

See the map of the shortest flight path between Washington Dulles International Airport (IAD) and San Sebastián Airport (EAS).

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 San Sebastián Airport
City: San Sebastian
Country: Spain Flag of Spain
IATA Code: EAS
ICAO Code: LESO
Coordinates: 43°21′23″N, 1°47′26″W