Air Miles Calculator

Distance between Spokane, WA (GEG) and Boise, ID (BOI)

Flight distance from Spokane to Boise (Spokane International Airport – Boise Airport) is 287 miles / 462 kilometers / 250 nautical miles. Estimated flight time is 1 hour 2 minutes.

Driving distance from Spokane (GEG) to Boise (BOI) is 418 miles / 673 kilometers and travel time by car is about 7 hours 23 minutes.

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).

Airport information


A Spokane International Airport
City: Spokane, WA
Country: United States Flag of United States
IATA Code: GEG
ICAO Code: KGEG
Coordinates: 47°37′11″N, 117°32′2″W

B Boise Airport
City: Boise, ID
Country: United States Flag of United States
IATA Code: BOI
ICAO Code: KBOI
Coordinates: 43°33′51″N, 116°13′22″W

Time difference and current local times

The time difference between Spokane and Boise is 1 hour. Boise is 1 hour ahead of Spokane.

Time Difference

Spokane, WA

 PDT

Boise, ID

 MDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 65 kg (143 pounds).

Frequent Flyer Miles Calculator

Spokane (GEG) → Boise (BOI).

Distance:
287
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
287

Round trip?