How far is Spokane, WA, from Idaho Falls, ID?
The distance between Idaho Falls (Idaho Falls Regional Airport) and Spokane (Spokane International Airport) is 388 miles / 624 kilometers / 337 nautical miles.
The driving distance from Idaho Falls (IDA) to Spokane (GEG) is 518 miles / 833 kilometers, and travel time by car is about 8 hours 40 minutes.
Idaho Falls Regional Airport – Spokane International Airport
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Distance from Idaho Falls to Spokane
There are several ways to calculate the distance from Idaho Falls to Spokane. Here are two standard 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 planet.
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).
How long does it take to fly from Idaho Falls to Spokane?
The estimated flight time from Idaho Falls Regional Airport to Spokane International Airport is 1 hour and 14 minutes.
What is the time difference between Idaho Falls and Spokane?
The time difference between Idaho Falls and Spokane is 1 hour. Spokane is 1 hour behind Idaho Falls.
Flight carbon footprint between Idaho Falls Regional Airport (IDA) and Spokane International Airport (GEG)
On average, flying from Idaho Falls to Spokane generates about 82 kg of CO2 per passenger, and 82 kilograms equals 181 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Idaho Falls to Spokane
See the map of the shortest flight path between Idaho Falls Regional Airport (IDA) and Spokane International Airport (GEG).
Airport information
| Origin | Idaho Falls Regional Airport |
|---|---|
| City: | Idaho Falls, ID |
| Country: | United States  |
| IATA Code: | IDA |
| ICAO Code: | KIDA |
| Coordinates: | 43°30′52″N, 112°4′15″W |
| Destination | Spokane International Airport |
|---|---|
| City: | Spokane, WA |
| Country: | United States |
| IATA Code: | GEG |
| ICAO Code: | KGEG |
| Coordinates: | 47°37′11″N, 117°32′2″W |