Map of flight path and driving directions from Spokane to Duluth.
Shortest flight path between Spokane International Airport (GEG) and Duluth International Airport (DLH).
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).
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).
Frequent Flyer Miles Calculator
Spokane (GEG) → Duluth (DLH).