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

Flight distance from Seattle to Washington D.C. (Seattle Boeing Field – Ronald Reagan Washington National Airport) is 2328 miles / 3746 kilometers / 2023 nautical miles. Estimated flight time is 4 hours 54 minutes.

Driving distance from Seattle (BFI) to Washington D.C. (DCA) is 2801 miles / 4508 kilometers and travel time by car is about 46 hours 25 minutes.

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

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

## 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).

## Airport information

A Seattle Boeing Field
City: Seattle, WA
Country: 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
IATA Code: DCA
ICAO Code: KDCA
Coordinates: 38°51′7″N, 77°2′15″W

## 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.

PDT

EDT

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 255 kg (563 pounds).

## Frequent Flyer Miles Calculator

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

Distance:
2328
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
2328

Round trip?