Air Miles Calculator

Distance between Seattle, WA (BFI) and Washington D.C. (DCA)

Distance from Seattle to Washington D.C. (Seattle Boeing Field – Ronald Reagan Washington National Airport) is 2328 miles / 3746 kilometers / 2023 nautical miles.

How far is Washington D.C. from Seattle?

There are several ways to calculate distances between Seattle and Washington D.C.. Here are two common 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 earth.

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).

Flight duration

Estimated flight time from Seattle Boeing Field (BFI) to Ronald Reagan Washington National Airport (DCA) is 4 hours 54 minutes.

Time difference and current local times

The time difference between Seattle and Washington D.C. is 3 hours. Washington D.C. is 3 hours ahead of Seattle.

Time Difference

Seattle
Washington D.C.

Seattle, WA

 PDT

Washington D.C.

 EDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 259 kg (572 pounds).

Airport information


A 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

B 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

Seattle to Washington D.C. flight path

Shortest flight path between Seattle Boeing Field (BFI) and Ronald Reagan Washington National Airport (DCA).

Frequent Flyer Miles Calculator

Seattle (BFI) → Washington D.C. (DCA).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
2328
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
2328

Round trip?