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

The distance between Fort Severn (Fort Severn Airport) and Great Falls (Great Falls International Airport) is 1167 miles / 1878 kilometers / 1014 nautical miles.

The driving distance from Fort Severn (YER) to Great Falls (GTF) is 1594 miles / 2565 kilometers, and travel time by car is about 50 hours 3 minutes.

Fort Severn Airport – Great Falls International Airport

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1167
Miles
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1878
Kilometers
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1014
Nautical miles

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Distance from Fort Severn to Great Falls

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

Vincenty's formula (applied above)
  • 1167.018 miles
  • 1878.133 kilometers
  • 1014.111 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
  • 1164.083 miles
  • 1873.411 kilometers
  • 1011.561 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 Severn to Great Falls?

The estimated flight time from Fort Severn Airport to Great Falls International Airport is 2 hours and 42 minutes.

Flight carbon footprint between Fort Severn Airport (YER) and Great Falls International Airport (GTF)

On average, flying from Fort Severn to Great Falls generates about 160 kg of CO2 per passenger, and 160 kilograms equals 353 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 Severn to Great Falls

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

Airport information

Origin Fort Severn Airport
City: Fort Severn
Country: Canada Flag of Canada
IATA Code: YER
ICAO Code: CYER
Coordinates: 56°1′8″N, 87°40′33″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