How far is Washington D.C. from Spokane, WA?
The distance between Spokane (Spokane International Airport) and Washington D.C. (Washington Dulles International Airport) is 2082 miles / 3351 kilometers / 1810 nautical miles.
The driving distance from Spokane (GEG) to Washington D.C. (IAD) is 2462 miles / 3962 kilometers, and travel time by car is about 44 hours 9 minutes.
Spokane International Airport – Washington Dulles International Airport
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Distance from Spokane to Washington D.C.
There are several ways to calculate the distance from Spokane to Washington D.C.. Here are two standard methods:
Vincenty's formula (applied above)- 2082.337 miles
- 3351.196 kilometers
- 1809.501 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- 2077.362 miles
- 3343.190 kilometers
- 1805.178 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 Spokane to Washington D.C.?
The estimated flight time from Spokane International Airport to Washington Dulles International Airport is 4 hours and 26 minutes.
What is the time difference between Spokane and Washington D.C.?
Flight carbon footprint between Spokane International Airport (GEG) and Washington Dulles International Airport (IAD)
On average, flying from Spokane to Washington D.C. generates about 227 kg of CO2 per passenger, and 227 kilograms equals 500 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Spokane to Washington D.C.
See the map of the shortest flight path between Spokane International Airport (GEG) and Washington Dulles International Airport (IAD).
Airport information
| Origin | Spokane International Airport |
|---|---|
| City: | Spokane, WA |
| Country: | United States  |
| IATA Code: | GEG |
| ICAO Code: | KGEG |
| Coordinates: | 47°37′11″N, 117°32′2″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 |