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How far is Washington D.C. from Seattle, WA?

The distance between Seattle (Seattle Boeing Field) and Washington D.C. (Ronald Reagan Washington National Airport) is 2328 miles / 3746 kilometers / 2023 nautical miles.

The driving distance from Seattle (BFI) to Washington D.C. (DCA) is 2745 miles / 4417 kilometers, and travel time by car is about 49 hours 23 minutes.

Seattle Boeing Field – Ronald Reagan Washington National Airport

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2328
Miles
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3746
Kilometers
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2023
Nautical miles

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Distance from Seattle to Washington D.C.

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

Vincenty's formula (applied above)
  • 2327.934 miles
  • 3746.446 kilometers
  • 2022.919 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
  • 2322.250 miles
  • 3737.299 kilometers
  • 2017.980 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 Seattle to Washington D.C.?

The estimated flight time from Seattle Boeing Field to Ronald Reagan Washington National Airport is 4 hours and 54 minutes.

Flight carbon footprint between Seattle Boeing Field (BFI) and Ronald Reagan Washington National Airport (DCA)

On average, flying from Seattle to Washington D.C. generates about 255 kg of CO2 per passenger, and 255 kilograms equals 563 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Seattle to Washington D.C.

See the map of the shortest flight path between Seattle Boeing Field (BFI) and Ronald Reagan Washington National Airport (DCA).

Airport information

Origin Seattle Boeing Field
City: Seattle, WA
Country: United States Flag of United States
IATA Code: BFI
ICAO Code: KBFI
Coordinates: 47°31′47″N, 122°18′7″W
Destination Ronald Reagan Washington National Airport
City: Washington D.C.
Country: United States Flag of United States
IATA Code: DCA
ICAO Code: KDCA
Coordinates: 38°51′7″N, 77°2′15″W