How far is Great Falls, MT, from St Louis, MO?
The distance between St Louis (St. Louis Lambert International Airport) and Great Falls (Great Falls International Airport) is 1216 miles / 1956 kilometers / 1056 nautical miles.
The driving distance from St Louis (STL) to Great Falls (GTF) is 1479 miles / 2380 kilometers, and travel time by car is about 27 hours 50 minutes.
St. Louis Lambert International Airport – Great Falls International Airport
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Distance from St Louis to Great Falls
There are several ways to calculate the distance from St Louis to Great Falls. Here are two standard methods:
Vincenty's formula (applied above)- 1215.553 miles
- 1956.243 kilometers
- 1056.287 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- 1213.372 miles
- 1952.732 kilometers
- 1054.391 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 St Louis to Great Falls?
The estimated flight time from St. Louis Lambert International Airport to Great Falls International Airport is 2 hours and 48 minutes.
What is the time difference between St Louis and Great Falls?
Flight carbon footprint between St. Louis Lambert International Airport (STL) and Great Falls International Airport (GTF)
On average, flying from St Louis to Great Falls generates about 162 kg of CO2 per passenger, and 162 kilograms equals 357 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from St Louis to Great Falls
See the map of the shortest flight path between St. Louis Lambert International Airport (STL) and Great Falls International Airport (GTF).
Airport information
| Origin | St. Louis Lambert International Airport |
|---|---|
| City: | St Louis, MO |
| Country: | United States  |
| IATA Code: | STL |
| ICAO Code: | KSTL |
| Coordinates: | 38°44′55″N, 90°22′12″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 |