How far is Duluth from Spokane?
There are several ways to calculate distances between Spokane and Duluth. Here are two common methods:Vincenty's formula (applied above)
- 1188.287 miles
- 1912.362 kilometers
- 1032.593 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
- 1184.824 miles
- 1906.789 kilometers
- 1029.584 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 Duluth International Airport (DLH) is 2 hours 44 minutes.
Time difference and current local times
The time difference between Spokane and Duluth is 2 hours. Duluth is 2 hours ahead of Spokane.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 161 kg (355 pounds).
Spokane to Duluth flight map.
Frequent Flyer Miles Calculator
Spokane (GEG) → Duluth (DLH).