How far is Great Falls, MT, from Hay River?
The distance between Hay River (Hay River/Merlyn Carter Airport) and Great Falls (Great Falls International Airport) is 941 miles / 1514 kilometers / 817 nautical miles.
The driving distance from Hay River (YHY) to Great Falls (GTF) is 1161 miles / 1869 kilometers, and travel time by car is about 23 hours 5 minutes.
Hay River/Merlyn Carter Airport – Great Falls International Airport
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Distance from Hay River to Great Falls
There are several ways to calculate the distance from Hay River to Great Falls. Here are two standard methods:
Vincenty's formula (applied above)- 940.521 miles
- 1513.621 kilometers
- 817.290 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- 939.504 miles
- 1511.985 kilometers
- 816.407 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 Hay River to Great Falls?
The estimated flight time from Hay River/Merlyn Carter Airport to Great Falls International Airport is 2 hours and 16 minutes.
What is the time difference between Hay River and Great Falls?
There is no time difference between Hay River and Great Falls.
Flight carbon footprint between Hay River/Merlyn Carter Airport (YHY) and Great Falls International Airport (GTF)
On average, flying from Hay River to Great Falls generates about 147 kg of CO2 per passenger, and 147 kilograms equals 323 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Hay River to Great Falls
See the map of the shortest flight path between Hay River/Merlyn Carter Airport (YHY) and Great Falls International Airport (GTF).
Airport information
| Origin | Hay River/Merlyn Carter Airport |
|---|---|
| City: | Hay River |
| Country: | Canada  |
| IATA Code: | YHY |
| ICAO Code: | CYHY |
| Coordinates: | 60°50′22″N, 115°46′58″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 |