Air Miles Calculator

Distance between Spokane, WA (GEG) and Washington D.C. (DCA)

Flight distance from Spokane to Washington D.C. (Spokane International Airport – Ronald Reagan Washington National Airport) is 2105 miles / 3388 kilometers / 1829 nautical miles. Estimated flight time is 4 hours 29 minutes.

Driving distance from Spokane (GEG) to Washington D.C. (DCA) is 2525 miles / 4064 kilometers and travel time by car is about 41 hours 41 minutes.

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).

Airport information


A Spokane International Airport
City: Spokane, WA
Country: United States Flag of United States
IATA Code: GEG
ICAO Code: KGEG
Coordinates: 47°37′11″N, 117°32′2″W

B Ronald Reagan Washington National Airport
City: Washington D.C.
Country: United States Flag of 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 Spokane and Washington D.C. is 3 hours. Washington D.C. is 3 hours ahead of Spokane.

Time Difference

Spokane, WA

 PST

Washington D.C.

 EST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 229 kg (506 pounds).

Frequent Flyer Miles Calculator

Spokane (GEG) → Washington D.C. (DCA).

Distance:
2105
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
2105

Round trip?