Map of flight path and driving directions from Spokane to Boise.
Shortest flight path between Spokane International Airport (GEG) and Boise Airport (BOI).
How far is Boise from Spokane?
There are several ways to calculate distances between Spokane and Boise. Here are two common methods:Vincenty's formula (applied above)
- 287.188 miles
- 462.185 kilometers
- 249.560 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
- 287.276 miles
- 462.326 kilometers
- 249.636 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 Boise is 1 hour. Boise is 1 hour ahead of Spokane.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 65 kg (143 pounds).
Frequent Flyer Miles Calculator
Spokane (GEG) → Boise (BOI).