How far is Spokane, WA, from Great Falls, MT?
The distance between Great Falls (Great Falls International Airport) and Spokane (Spokane International Airport) is 288 miles / 464 kilometers / 251 nautical miles.
The driving distance from Great Falls (GTF) to Spokane (GEG) is 374 miles / 602 kilometers, and travel time by car is about 7 hours 12 minutes.
Great Falls International Airport – Spokane International Airport
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Distance from Great Falls to Spokane
There are several ways to calculate the distance from Great Falls to Spokane. 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 Great Falls to Spokane?
The estimated flight time from Great Falls International Airport to Spokane International Airport is 1 hour and 2 minutes.
What is the time difference between Great Falls and Spokane?
The time difference between Great Falls and Spokane is 1 hour. Spokane is 1 hour behind Great Falls.
Flight carbon footprint between Great Falls International Airport (GTF) and Spokane International Airport (GEG)
On average, flying from Great Falls to Spokane 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 Great Falls to Spokane
See the map of the shortest flight path between Great Falls International Airport (GTF) and Spokane International Airport (GEG).
Airport information
| Origin | 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 |
| 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 |