How far is Adak Island from Spokane?
There are several ways to calculate distances between Spokane and Adak Island. Here are two common methods:Vincenty's formula (applied above)
- 2589.791 miles
- 4167.865 kilometers
- 2250.467 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
- 2581.956 miles
- 4155.255 kilometers
- 2243.658 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).
Estimated flight time from Spokane International Airport (GEG) to Adak Airport (ADK) is 5 hours 24 minutes.
Time difference and current local times
The time difference between Spokane and Adak Island is 2 hours. Adak Island is 2 hours behind Spokane.
Adak Island, AK
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 290 kg (640 pounds).
Spokane to Adak Island flight map.
Frequent Flyer Miles Calculator
Spokane (GEG) → Adak Island (ADK).