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How far is Fort Mcpherson from Helena, MT?

The distance between Helena (Helena Regional Airport) and Fort Mcpherson (Fort McPherson Airport) is 1656 miles / 2666 kilometers / 1439 nautical miles.

The driving distance from Helena (HLN) to Fort Mcpherson (ZFM) is 2437 miles / 3922 kilometers, and travel time by car is about 55 hours 28 minutes.

Helena Regional Airport – Fort McPherson Airport

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1656
Miles
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2666
Kilometers
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1439
Nautical miles

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Distance from Helena to Fort Mcpherson

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

Vincenty's formula (applied above)
  • 1656.412 miles
  • 2665.736 kilometers
  • 1439.382 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
  • 1653.233 miles
  • 2660.621 kilometers
  • 1436.620 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 Fort Mcpherson?

The estimated flight time from Helena Regional Airport to Fort McPherson Airport is 3 hours and 38 minutes.

What is the time difference between Helena and Fort Mcpherson?

There is no time difference between Helena and Fort Mcpherson.

Flight carbon footprint between Helena Regional Airport (HLN) and Fort McPherson Airport (ZFM)

On average, flying from Helena to Fort Mcpherson generates about 190 kg of CO2 per passenger, and 190 kilograms equals 418 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 Fort Mcpherson

See the map of the shortest flight path between Helena Regional Airport (HLN) and Fort McPherson Airport (ZFM).

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 Fort McPherson Airport
City: Fort Mcpherson
Country: Canada Flag of Canada
IATA Code: ZFM
ICAO Code: CZFM
Coordinates: 67°24′27″N, 134°51′39″W