How far is Great Falls, MT, from St. Theresa Point?
The distance between St. Theresa Point (St. Theresa Point Airport) and Great Falls (Great Falls International Airport) is 846 miles / 1361 kilometers / 735 nautical miles.
St. Theresa Point Airport – Great Falls International Airport
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Distance from St. Theresa Point to Great Falls
There are several ways to calculate the distance from St. Theresa Point to Great Falls. Here are two standard methods:
Vincenty's formula (applied above)- 845.595 miles
- 1360.853 kilometers
- 734.802 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- 843.579 miles
- 1357.608 kilometers
- 733.050 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. Theresa Point to Great Falls?
The estimated flight time from St. Theresa Point Airport to Great Falls International Airport is 2 hours and 6 minutes.
What is the time difference between St. Theresa Point and Great Falls?
Flight carbon footprint between St. Theresa Point Airport (YST) and Great Falls International Airport (GTF)
On average, flying from St. Theresa Point to Great Falls generates about 139 kg of CO2 per passenger, and 139 kilograms equals 306 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path from St. Theresa Point to Great Falls
See the map of the shortest flight path between St. Theresa Point Airport (YST) and Great Falls International Airport (GTF).
Airport information
| Origin | St. Theresa Point Airport |
|---|---|
| City: | St. Theresa Point |
| Country: | Canada  |
| IATA Code: | YST |
| ICAO Code: | CYST |
| Coordinates: | 53°50′44″N, 94°51′6″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 |