How far is St. Anthony from Great Falls, MT?
The distance between Great Falls (Great Falls International Airport) and St. Anthony (St. Anthony Airport) is 2447 miles / 3937 kilometers / 2126 nautical miles.
The driving distance from Great Falls (GTF) to St. Anthony (YAY) is 3678 miles / 5919 kilometers, and travel time by car is about 80 hours 35 minutes.
Great Falls International Airport – St. Anthony Airport
Search flights
Distance from Great Falls to St. Anthony
There are several ways to calculate the distance from Great Falls to St. Anthony. Here are two standard methods:
Vincenty's formula (applied above)- 2446.563 miles
- 3937.362 kilometers
- 2126.005 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- 2439.199 miles
- 3925.510 kilometers
- 2119.606 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. Anthony?
The estimated flight time from Great Falls International Airport to St. Anthony Airport is 5 hours and 7 minutes.
What is the time difference between Great Falls and St. Anthony?
Flight carbon footprint between Great Falls International Airport (GTF) and St. Anthony Airport (YAY)
On average, flying from Great Falls to St. Anthony 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. Anthony
See the map of the shortest flight path between Great Falls International Airport (GTF) and St. Anthony Airport (YAY).
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. Anthony Airport |
|---|---|
| City: | St. Anthony |
| Country: | Canada  |
| IATA Code: | YAY |
| ICAO Code: | CYAY |
| Coordinates: | 51°23′30″N, 56°4′59″W |