Map of flight path and driving directions from Spokane to Pierre.
Shortest flight path between Spokane International Airport (GEG) and Pierre Regional Airport (PIR).
How far is Pierre from Spokane?
There are several ways to calculate distances between Spokane and Pierre. Here are two common methods:Vincenty's formula (applied above)
- 857.743 miles
- 1380.403 kilometers
- 745.358 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
- 855.489 miles
- 1376.776 kilometers
- 743.400 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 Pierre is 2 hours. Pierre is 2 hours ahead of Spokane.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 140 kg (309 pounds).
Frequent Flyer Miles Calculator
Spokane (GEG) → Pierre (PIR).