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How far is Big Trout Lake from Great Falls, MT?

The distance between Great Falls (Great Falls International Airport) and Big Trout Lake (Big Trout Lake Airport) is 1035 miles / 1666 kilometers / 899 nautical miles.

The driving distance from Great Falls (GTF) to Big Trout Lake (YTL) is 1394 miles / 2244 kilometers, and travel time by car is about 35 hours 43 minutes.

Great Falls International Airport – Big Trout Lake Airport

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1035
Miles
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1666
Kilometers
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899
Nautical miles

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Distance from Great Falls to Big Trout Lake

There are several ways to calculate the distance from Great Falls to Big Trout Lake. Here are two standard methods:

Vincenty's formula (applied above)
  • 1034.974 miles
  • 1665.629 kilometers
  • 899.368 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
  • 1032.251 miles
  • 1661.248 kilometers
  • 897.002 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 Great Falls to Big Trout Lake?

The estimated flight time from Great Falls International Airport to Big Trout Lake Airport is 2 hours and 27 minutes.

Flight carbon footprint between Great Falls International Airport (GTF) and Big Trout Lake Airport (YTL)

On average, flying from Great Falls to Big Trout Lake generates about 153 kg of CO2 per passenger, and 153 kilograms equals 337 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Great Falls to Big Trout Lake

See the map of the shortest flight path between Great Falls International Airport (GTF) and Big Trout Lake Airport (YTL).

Airport information

Origin 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
Destination Big Trout Lake Airport
City: Big Trout Lake
Country: Canada Flag of Canada
IATA Code: YTL
ICAO Code: CYTL
Coordinates: 53°49′4″N, 89°53′48″W