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How far is Hay River from Great Falls, MT?

The distance between Great Falls (Great Falls International Airport) and Hay River (Hay River/Merlyn Carter Airport) is 941 miles / 1514 kilometers / 817 nautical miles.

The driving distance from Great Falls (GTF) to Hay River (YHY) is 1156 miles / 1861 kilometers, and travel time by car is about 23 hours 1 minutes.

Great Falls International Airport – Hay River/Merlyn Carter Airport

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941
Miles
Distance arrow
1514
Kilometers
Distance arrow
817
Nautical miles

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Distance from Great Falls to Hay River

There are several ways to calculate the distance from Great Falls to Hay River. 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 Great Falls to Hay River?

The estimated flight time from Great Falls International Airport to Hay River/Merlyn Carter Airport is 2 hours and 16 minutes.

What is the time difference between Great Falls and Hay River?

There is no time difference between Great Falls and Hay River.

Flight carbon footprint between Great Falls International Airport (GTF) and Hay River/Merlyn Carter Airport (YHY)

On average, flying from Great Falls to Hay River 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 Great Falls to Hay River

See the map of the shortest flight path between Great Falls International Airport (GTF) and Hay River/Merlyn Carter Airport (YHY).

Airport information

Origin Great Falls International Airport
City: Great Falls, MT
Country: United States Flag of United States
IATA Code: GTF
ICAO Code: KGTF
Coordinates: 47°28′55″N, 111°22′15″W
Destination Hay River/Merlyn Carter Airport
City: Hay River
Country: Canada Flag of Canada
IATA Code: YHY
ICAO Code: CYHY
Coordinates: 60°50′22″N, 115°46′58″W