How far is Washington D.C. from Seattle, WA?
The distance between Seattle (Seattle Boeing Field) and Washington D.C. (Washington Dulles International Airport) is 2305 miles / 3710 kilometers / 2003 nautical miles.
The driving distance from Seattle (BFI) to Washington D.C. (IAD) is 2737 miles / 4405 kilometers, and travel time by car is about 49 hours 12 minutes.
Seattle Boeing Field – Washington Dulles International Airport
Search flights
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)- 2305.212 miles
- 3709.878 kilometers
- 2003.174 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- 2299.575 miles
- 3700.808 kilometers
- 1998.276 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 Washington Dulles International Airport is 4 hours and 51 minutes.
What is the time difference between Seattle and Washington D.C.?
Flight carbon footprint between Seattle Boeing Field (BFI) and Washington Dulles International Airport (IAD)
On average, flying from Seattle to Washington D.C. generates about 253 kg of CO2 per passenger, and 253 kilograms equals 557 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 Washington Dulles International Airport (IAD).
Airport information
| Origin | Seattle Boeing Field |
|---|---|
| City: | Seattle, WA |
| Country: | United States  |
| IATA Code: | BFI |
| ICAO Code: | KBFI |
| Coordinates: | 47°31′47″N, 122°18′7″W |
| Destination | Washington Dulles International Airport |
|---|---|
| City: | Washington D.C. |
| Country: | United States |
| IATA Code: | IAD |
| ICAO Code: | KIAD |
| Coordinates: | 38°56′40″N, 77°27′20″W |