Map of flight path and driving directions from Spokane to Washington D.C..
Shortest flight path between Spokane International Airport (GEG) and Ronald Reagan Washington National Airport (DCA).
How far is Washington D.C. from Spokane?
There are several ways to calculate distances between Spokane and Washington D.C.. Here are two common methods:Vincenty's formula (applied above)
- 2105.044 miles
- 3387.739 kilometers
- 1829.233 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
- 2100.021 miles
- 3379.656 kilometers
- 1824.868 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).
Time difference and current local times
The time difference between Spokane and Washington D.C. is 3 hours. Washington D.C. is 3 hours ahead of Spokane.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 229 kg (506 pounds).
Frequent Flyer Miles Calculator
Spokane (GEG) → Washington D.C. (DCA).