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How far is Great Falls, MT, from Fort Simpson?

The distance between Fort Simpson (Fort Simpson Airport) and Great Falls (Great Falls International Airport) is 1061 miles / 1708 kilometers / 922 nautical miles.

The driving distance from Fort Simpson (YFS) to Great Falls (GTF) is 1370 miles / 2205 kilometers, and travel time by car is about 30 hours 15 minutes.

Fort Simpson Airport – Great Falls International Airport

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1061
Miles
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1708
Kilometers
Distance arrow
922
Nautical miles

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Distance from Fort Simpson to Great Falls

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

Vincenty's formula (applied above)
  • 1061.238 miles
  • 1707.897 kilometers
  • 922.190 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
  • 1059.779 miles
  • 1705.550 kilometers
  • 920.923 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 Great Falls?

The estimated flight time from Fort Simpson Airport to Great Falls International Airport is 2 hours and 30 minutes.

What is the time difference between Fort Simpson and Great Falls?

There is no time difference between Fort Simpson and Great Falls.

Flight carbon footprint between Fort Simpson Airport (YFS) and Great Falls International Airport (GTF)

On average, flying from Fort Simpson to Great Falls generates about 155 kg of CO2 per passenger, and 155 kilograms equals 341 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 Great Falls

See the map of the shortest flight path between Fort Simpson Airport (YFS) and Great Falls International Airport (GTF).

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 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