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How far is Helena, MT, from Fort Simpson?

The distance between Fort Simpson (Fort Simpson Airport) and Helena (Helena Regional Airport) is 1111 miles / 1787 kilometers / 965 nautical miles.

The driving distance from Fort Simpson (YFS) to Helena (HLN) is 1451 miles / 2335 kilometers, and travel time by car is about 31 hours 14 minutes.

Fort Simpson Airport – Helena Regional Airport

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1111
Miles
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1787
Kilometers
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965
Nautical miles

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Distance from Fort Simpson to Helena

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

Vincenty's formula (applied above)
  • 1110.654 miles
  • 1787.424 kilometers
  • 965.132 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
  • 1109.265 miles
  • 1785.189 kilometers
  • 963.925 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 Fort Simpson to Helena?

The estimated flight time from Fort Simpson Airport to Helena Regional Airport is 2 hours and 36 minutes.

What is the time difference between Fort Simpson and Helena?

There is no time difference between Fort Simpson and Helena.

Flight carbon footprint between Fort Simpson Airport (YFS) and Helena Regional Airport (HLN)

On average, flying from Fort Simpson to Helena generates about 157 kg of CO2 per passenger, and 157 kilograms equals 347 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Fort Simpson to Helena

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

Airport information

Origin Fort Simpson Airport
City: Fort Simpson
Country: Canada Flag of Canada
IATA Code: YFS
ICAO Code: CYFS
Coordinates: 61°45′36″N, 121°14′13″W
Destination 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