Air Miles Calculator

Distance between Spokane, WA (GEG) and Idaho Falls, ID (IDA)

Distance from Spokane to Idaho Falls (Spokane International Airport – Idaho Falls Regional Airport) is 388 miles / 624 kilometers / 337 nautical miles.

How far is Idaho Falls from Spokane?

There are several ways to calculate distances between Spokane and Idaho Falls. Here are two common methods:

Vincenty's formula (applied above)
  • 387.882 miles
  • 624.236 kilometers
  • 337.061 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
  • 387.470 miles
  • 623.573 kilometers
  • 336.703 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).

Flight duration

Estimated flight time from Spokane International Airport (GEG) to Idaho Falls Regional Airport (IDA) is 1 hour 14 minutes.

Time difference and current local times

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

Time Difference

Spokane
Idaho Falls

Spokane, WA

 PST

Idaho Falls, ID

 MST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 81 kg (180 pounds).

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 Idaho Falls Regional Airport
City: Idaho Falls, ID
Country: United States Flag of United States
IATA Code: IDA
ICAO Code: KIDA
Coordinates: 43°30′52″N, 112°4′15″W

Map

Spokane to Idaho Falls flight map.

Frequent Flyer Miles Calculator

Spokane (GEG) → Idaho Falls (IDA).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
388
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
388

Round trip?