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How far is Sydney from Great Falls, MT?

The distance between Great Falls (Great Falls International Airport) and Sydney (Sydney/J.A. Douglas McCurdy Airport) is 2390 miles / 3847 kilometers / 2077 nautical miles.

The driving distance from Great Falls (GTF) to Sydney (YQY) is 2973 miles / 4784 kilometers, and travel time by car is about 58 hours 18 minutes.

Great Falls International Airport – Sydney/J.A. Douglas McCurdy Airport

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2390
Miles
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3847
Kilometers
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2077
Nautical miles

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Distance from Great Falls to Sydney

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

Vincenty's formula (applied above)
  • 2390.362 miles
  • 3846.915 kilometers
  • 2077.168 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
  • 2383.453 miles
  • 3835.796 kilometers
  • 2071.164 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 Sydney?

The estimated flight time from Great Falls International Airport to Sydney/J.A. Douglas McCurdy Airport is 5 hours and 1 minutes.

Flight carbon footprint between Great Falls International Airport (GTF) and Sydney/J.A. Douglas McCurdy Airport (YQY)

On average, flying from Great Falls to Sydney generates about 262 kg of CO2 per passenger, and 262 kilograms equals 579 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 Sydney

See the map of the shortest flight path between Great Falls International Airport (GTF) and Sydney/J.A. Douglas McCurdy Airport (YQY).

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 Sydney/J.A. Douglas McCurdy Airport
City: Sydney
Country: Canada Flag of Canada
IATA Code: YQY
ICAO Code: CYQY
Coordinates: 46°9′41″N, 60°2′52″W