How far is St Louis, MO, from Great Falls, MT?
The distance between Great Falls (Great Falls International Airport) and St Louis (St. Louis Lambert International Airport) is 1216 miles / 1956 kilometers / 1056 nautical miles.
The driving distance from Great Falls (GTF) to St Louis (STL) is 1482 miles / 2385 kilometers, and travel time by car is about 27 hours 51 minutes.
Great Falls International Airport – St. Louis Lambert International Airport
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Distance from Great Falls to St Louis
There are several ways to calculate the distance from Great Falls to St Louis. 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 Great Falls to St Louis?
The estimated flight time from Great Falls International Airport to St. Louis Lambert International Airport is 2 hours and 48 minutes.
What is the time difference between Great Falls and St Louis?
Flight carbon footprint between Great Falls International Airport (GTF) and St. Louis Lambert International Airport (STL)
On average, flying from Great Falls to St Louis 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 Great Falls to St Louis
See the map of the shortest flight path between Great Falls International Airport (GTF) and St. Louis Lambert International Airport (STL).
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 | 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 |