Map of flight path and driving directions from Boise to Spokane.
Shortest flight path between Boise Airport (BOI) and Spokane International Airport (GEG).
How far is Spokane from Boise?
There are several ways to calculate distances between Boise and Spokane. 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 Boise and Spokane is 1 hour. Spokane is 1 hour behind Boise.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 67 kg (148 pounds).
Frequent Flyer Miles Calculator
Boise (BOI) → Spokane (GEG).