Calculations with different methods
- 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).
Estimated flight time from Boise Airport (BOI) to Spokane International Airport (GEG) is 1 hour 2 minutes.
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 65 kg (144 pounds).
Boise to Spokane flight map.
Frequent Flyer Miles Calculator
Boise (BOI) → Spokane (GEG).