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

Flight distance from Spokane to Washington D.C. (Spokane International Airport – Washington Dulles International Airport) is 2082 miles / 3351 kilometers / 1810 nautical miles. Estimated flight time is 4 hours 26 minutes.

Driving distance from Spokane (GEG) to Washington D.C. (IAD) is 2517 miles / 4051 kilometers and travel time by car is about 44 hours 13 minutes.

Spokane – Washington D.C.

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2082
Miles
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3351
Kilometers
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1810
Nautical miles

How far is Washington D.C. from Spokane?

There are several ways to calculate distances between Los Angeles and Chicago. Here are two common 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 earth.

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).

Flight Duration

Estimated flight time from Spokane to Washington D.C. is 4 hours 26 minutes.

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.

Spokane time to Washington D.C. time converter

Time in Spokane: 00:00 ⇆ Time in Washington D.C.: 00:00

Current local times

Spokane, WA

 PDT

Washington D.C.

 EDT

Carbon dioxide emissions

On average flying from Spokane to Washington D.C. generates about 227 kg of CO2 per passenger, 227 kilograms is equal to 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.

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 Flag of 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 Flag of United States
IATA Code: IAD
ICAO Code: KIAD
Coordinates: 38°56′40″N, 77°27′20″W