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How far is Great Falls, MT, from Niagara Falls, NY?

The distance between Niagara Falls (Niagara Falls International Airport) and Great Falls (Great Falls International Airport) is 1597 miles / 2570 kilometers / 1388 nautical miles.

The driving distance from Niagara Falls (IAG) to Great Falls (GTF) is 1811 miles / 2915 kilometers, and travel time by car is about 34 hours 19 minutes.

Niagara Falls International Airport – Great Falls International Airport

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1597
Miles
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2570
Kilometers
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1388
Nautical miles

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Distance from Niagara Falls to Great Falls

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

Vincenty's formula (applied above)
  • 1596.896 miles
  • 2569.955 kilometers
  • 1387.665 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
  • 1592.605 miles
  • 2563.050 kilometers
  • 1383.936 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 Niagara Falls to Great Falls?

The estimated flight time from Niagara Falls International Airport to Great Falls International Airport is 3 hours and 31 minutes.

Flight carbon footprint between Niagara Falls International Airport (IAG) and Great Falls International Airport (GTF)

On average, flying from Niagara Falls to Great Falls generates about 186 kg of CO2 per passenger, and 186 kilograms equals 409 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Niagara Falls to Great Falls

See the map of the shortest flight path between Niagara Falls International Airport (IAG) and Great Falls International Airport (GTF).

Airport information

Origin Niagara Falls International Airport
City: Niagara Falls, NY
Country: United States Flag of United States
IATA Code: IAG
ICAO Code: KIAG
Coordinates: 43°6′26″N, 78°56′46″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