How far is Great Falls, MT, from Spokane, WA?
The distance between Spokane (Spokane International Airport) and Great Falls (Great Falls International Airport) is 288 miles / 464 kilometers / 251 nautical miles.
The driving distance from Spokane (GEG) to Great Falls (GTF) is 373 miles / 601 kilometers, and travel time by car is about 7 hours 9 minutes.
Spokane International Airport – Great Falls International Airport
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Distance from Spokane to Great Falls
There are several ways to calculate the distance from Spokane to Great Falls. Here are two standard methods:
Vincenty's formula (applied above)- 288.331 miles
- 464.024 kilometers
- 250.553 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- 287.484 miles
- 462.661 kilometers
- 249.817 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 Spokane to Great Falls?
The estimated flight time from Spokane International Airport to Great Falls International Airport is 1 hour and 2 minutes.
What is the time difference between Spokane and Great Falls?
Flight carbon footprint between Spokane International Airport (GEG) and Great Falls International Airport (GTF)
On average, flying from Spokane to Great Falls generates about 67 kg of CO2 per passenger, and 67 kilograms equals 149 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Spokane to Great Falls
See the map of the shortest flight path between Spokane International Airport (GEG) and Great Falls International Airport (GTF).
Airport information
| Origin | Spokane International Airport |
|---|---|
| City: | Spokane, WA |
| Country: | United States  |
| IATA Code: | GEG |
| ICAO Code: | KGEG |
| Coordinates: | 47°37′11″N, 117°32′2″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 |