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How far is Deer Lake from Great Falls, MT?

The distance between Great Falls (Great Falls International Airport) and Deer Lake (Deer Lake Regional Airport) is 2436 miles / 3920 kilometers / 2117 nautical miles.

The driving distance from Great Falls (GTF) to Deer Lake (YDF) is 3818 miles / 6144 kilometers, and travel time by car is about 83 hours 6 minutes.

Great Falls International Airport – Deer Lake Regional Airport

Distance arrow
2436
Miles
Distance arrow
3920
Kilometers
Distance arrow
2117
Nautical miles
Flight time duration
5 h 6 min
Time Difference
3 h 30 min
CO2 emission
268 kg

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Distance from Great Falls to Deer Lake

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

Vincenty's formula (applied above)
  • 2435.664 miles
  • 3919.821 kilometers
  • 2116.534 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
  • 2428.415 miles
  • 3908.156 kilometers
  • 2110.235 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 Deer Lake?

The estimated flight time from Great Falls International Airport to Deer Lake Regional Airport is 5 hours and 6 minutes.

Flight carbon footprint between Great Falls International Airport (GTF) and Deer Lake Regional Airport (YDF)

On average, flying from Great Falls to Deer Lake generates about 268 kg of CO2 per passenger, and 268 kilograms equals 590 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 Deer Lake

See the map of the shortest flight path between Great Falls International Airport (GTF) and Deer Lake Regional Airport (YDF).

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 Deer Lake Regional Airport
City: Deer Lake
Country: Canada Flag of Canada
IATA Code: YDF
ICAO Code: CYDF
Coordinates: 49°12′38″N, 57°23′29″W