How far is St Michael, AK, from Great Falls, MT?
The distance between Great Falls (Great Falls International Airport) and St Michael (St. Michael Airport) is 2199 miles / 3539 kilometers / 1911 nautical miles.
The driving distance from Great Falls (GTF) to St Michael (SMK) is 3119 miles / 5020 kilometers, and travel time by car is about 137 hours 47 minutes.
Great Falls International Airport – St. Michael Airport
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Distance from Great Falls to St Michael
There are several ways to calculate the distance from Great Falls to St Michael. Here are two standard methods:
Vincenty's formula (applied above)- 2198.994 miles
- 3538.937 kilometers
- 1910.873 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- 2192.819 miles
- 3529.001 kilometers
- 1905.508 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 Michael?
The estimated flight time from Great Falls International Airport to St. Michael Airport is 4 hours and 39 minutes.
What is the time difference between Great Falls and St Michael?
Flight carbon footprint between Great Falls International Airport (GTF) and St. Michael Airport (SMK)
On average, flying from Great Falls to St Michael generates about 240 kg of CO2 per passenger, and 240 kilograms equals 530 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 Michael
See the map of the shortest flight path between Great Falls International Airport (GTF) and St. Michael Airport (SMK).
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. Michael Airport |
|---|---|
| City: | St Michael, AK |
| Country: | United States |
| IATA Code: | SMK |
| ICAO Code: | PAMK |
| Coordinates: | 63°29′24″N, 162°6′36″W |