Air Miles Calculator

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

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

Driving distance from Boise (BOI) to Spokane (GEG) is 424 miles / 682 kilometers and travel time by car is about 7 hours 19 minutes.

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).

Airport information


A 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

B 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

Time difference and current local times

The time difference between Boise and Spokane is 1 hour. Spokane is 1 hour behind Boise.

Time Difference

Boise, ID

 MST

Spokane, WA

 PST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 67 kg (148 pounds).

Frequent Flyer Miles Calculator

Boise (BOI) → Spokane (GEG).

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

In total

Total frequent flyer miles:
287

Round trip?