Air Miles Calculator logo

How far is Hay River from Helena, MT?

The distance between Helena (Helena Regional Airport) and Hay River (Hay River/Merlyn Carter Airport) is 996 miles / 1603 kilometers / 866 nautical miles.

The driving distance from Helena (HLN) to Hay River (YHY) is 1237 miles / 1990 kilometers, and travel time by car is about 23 hours 59 minutes.

Helena Regional Airport – Hay River/Merlyn Carter Airport

Distance arrow
996
Miles
Distance arrow
1603
Kilometers
Distance arrow
866
Nautical miles

Search flights

Distance from Helena to Hay River

There are several ways to calculate the distance from Helena to Hay River. Here are two standard methods:

Vincenty's formula (applied above)
  • 996.158 miles
  • 1603.161 kilometers
  • 865.638 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
  • 995.180 miles
  • 1601.587 kilometers
  • 864.788 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 Helena to Hay River?

The estimated flight time from Helena Regional Airport to Hay River/Merlyn Carter Airport is 2 hours and 23 minutes.

What is the time difference between Helena and Hay River?

There is no time difference between Helena and Hay River.

Flight carbon footprint between Helena Regional Airport (HLN) and Hay River/Merlyn Carter Airport (YHY)

On average, flying from Helena to Hay River generates about 151 kg of CO2 per passenger, and 151 kilograms equals 332 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Helena to Hay River

See the map of the shortest flight path between Helena Regional Airport (HLN) and Hay River/Merlyn Carter Airport (YHY).

Airport information

Origin Helena Regional Airport
City: Helena, MT
Country: United States Flag of United States
IATA Code: HLN
ICAO Code: KHLN
Coordinates: 46°36′24″N, 111°58′58″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