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How far is Great Falls, MT, from St. Anthony?

The distance between St. Anthony (St. Anthony Airport) and Great Falls (Great Falls International Airport) is 2447 miles / 3937 kilometers / 2126 nautical miles.

The driving distance from St. Anthony (YAY) to Great Falls (GTF) is 3672 miles / 5909 kilometers, and travel time by car is about 80 hours 36 minutes.

St. Anthony Airport – Great Falls International Airport

Distance arrow
2447
Miles
Distance arrow
3937
Kilometers
Distance arrow
2126
Nautical miles
Flight time duration
5 h 7 min
Time Difference
3 h 30 min
CO2 emission
269 kg

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Distance from St. Anthony to Great Falls

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

Vincenty's formula (applied above)
  • 2446.563 miles
  • 3937.362 kilometers
  • 2126.005 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
  • 2439.199 miles
  • 3925.510 kilometers
  • 2119.606 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 St. Anthony to Great Falls?

The estimated flight time from St. Anthony Airport to Great Falls International Airport is 5 hours and 7 minutes.

Flight carbon footprint between St. Anthony Airport (YAY) and Great Falls International Airport (GTF)

On average, flying from St. Anthony to Great Falls generates about 269 kg of CO2 per passenger, and 269 kilograms equals 593 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from St. Anthony to Great Falls

See the map of the shortest flight path between St. Anthony Airport (YAY) and Great Falls International Airport (GTF).

Airport information

Origin St. Anthony Airport
City: St. Anthony
Country: Canada Flag of Canada
IATA Code: YAY
ICAO Code: CYAY
Coordinates: 51°23′30″N, 56°4′59″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