How far is Great Falls, MT, from Idaho Falls, ID?
The distance between Idaho Falls (Idaho Falls Regional Airport) and Great Falls (Great Falls International Airport) is 276 miles / 444 kilometers / 240 nautical miles.
The driving distance from Idaho Falls (IDA) to Great Falls (GTF) is 361 miles / 581 kilometers, and travel time by car is about 6 hours 11 minutes.
Idaho Falls Regional Airport – Great Falls International Airport
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Distance from Idaho Falls to Great Falls
There are several ways to calculate the distance from Idaho Falls to Great Falls. Here are two standard methods:
Vincenty's formula (applied above)- 276.087 miles
- 444.319 kilometers
- 239.913 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- 276.206 miles
- 444.511 kilometers
- 240.017 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 Great Falls?
The estimated flight time from Idaho Falls Regional Airport to Great Falls International Airport is 1 hour and 1 minutes.
What is the time difference between Idaho Falls and Great Falls?
There is no time difference between Idaho Falls and Great Falls.
Flight carbon footprint between Idaho Falls Regional Airport (IDA) and Great Falls International Airport (GTF)
On average, flying from Idaho Falls to Great Falls generates about 66 kg of CO2 per passenger, and 66 kilograms equals 145 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 Great Falls
See the map of the shortest flight path between Idaho Falls Regional Airport (IDA) and Great Falls International Airport (GTF).
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 | Great Falls International Airport |
|---|---|
| City: | Great Falls, MT |
| Country: | United States |
| IATA Code: | GTF |
| ICAO Code: | KGTF |
| Coordinates: | 47°28′55″N, 111°22′15″W |