How far is Washington D.C. from Seattle, WA?
The distance between Seattle (Seattle–Tacoma International Airport) and Washington D.C. (Ronald Reagan Washington National Airport) is 2328 miles / 3747 kilometers / 2023 nautical miles.
The driving distance from Seattle (SEA) to Washington D.C. (DCA) is 2747 miles / 4421 kilometers, and travel time by car is about 49 hours 25 minutes.
Seattle–Tacoma International Airport – Ronald Reagan Washington National Airport
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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)- 2328.467 miles
- 3747.304 kilometers
- 2023.382 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- 2322.777 miles
- 3738.148 kilometers
- 2018.438 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–Tacoma International Airport to Ronald Reagan Washington National Airport is 4 hours and 54 minutes.
What is the time difference between Seattle and Washington D.C.?
Flight carbon footprint between Seattle–Tacoma International Airport (SEA) 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–Tacoma International Airport (SEA) and Ronald Reagan Washington National Airport (DCA).
Airport information
| Origin | Seattle–Tacoma International Airport |
|---|---|
| City: | Seattle, WA |
| Country: | United States  |
| IATA Code: | SEA |
| ICAO Code: | KSEA |
| Coordinates: | 47°26′56″N, 122°18′32″W |
| Destination | 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 |
Airlines flying from Seattle (SEA) to Washington D.C. (DCA)
| Alaska Airlines |