How far is St. Lewis from Great Falls, MT?
The distance between Great Falls (Great Falls International Airport) and St. Lewis (St. Lewis (Fox Harbour) Airport) is 2445 miles / 3935 kilometers / 2125 nautical miles.
The driving distance from Great Falls (GTF) to St. Lewis (YFX) is 3506 miles / 5643 kilometers, and travel time by car is about 74 hours 2 minutes.
Great Falls International Airport – St. Lewis (Fox Harbour) Airport
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Distance from Great Falls to St. Lewis
There are several ways to calculate the distance from Great Falls to St. Lewis. Here are two standard methods:
Vincenty's formula (applied above)- 2445.366 miles
- 3935.436 kilometers
- 2124.965 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- 2437.984 miles
- 3923.555 kilometers
- 2118.550 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. Lewis?
The estimated flight time from Great Falls International Airport to St. Lewis (Fox Harbour) Airport is 5 hours and 7 minutes.
What is the time difference between Great Falls and St. Lewis?
Flight carbon footprint between Great Falls International Airport (GTF) and St. Lewis (Fox Harbour) Airport (YFX)
On average, flying from Great Falls to St. Lewis generates about 269 kg of CO2 per passenger, and 269 kilograms equals 593 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. Lewis
See the map of the shortest flight path between Great Falls International Airport (GTF) and St. Lewis (Fox Harbour) Airport (YFX).
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. Lewis (Fox Harbour) Airport |
|---|---|
| City: | St. Lewis |
| Country: | Canada  |
| IATA Code: | YFX |
| ICAO Code: | CCK4 |
| Coordinates: | 52°22′22″N, 55°40′26″W |