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

The distance between Great Falls (Great Falls International Airport) and Watertown (Watertown International Airport) is 1711 miles / 2754 kilometers / 1487 nautical miles.

The driving distance from Great Falls (GTF) to Watertown (ART) is 1987 miles / 3197 kilometers, and travel time by car is about 38 hours 21 minutes.

Great Falls International Airport – Watertown International Airport

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1711
Miles
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2754
Kilometers
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1487
Nautical miles

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Distance from Great Falls to Watertown

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

Vincenty's formula (applied above)
  • 1711.351 miles
  • 2754.153 kilometers
  • 1487.123 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
  • 1706.616 miles
  • 2746.531 kilometers
  • 1483.008 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 Watertown?

The estimated flight time from Great Falls International Airport to Watertown International Airport is 3 hours and 44 minutes.

Flight carbon footprint between Great Falls International Airport (GTF) and Watertown International Airport (ART)

On average, flying from Great Falls to Watertown generates about 193 kg of CO2 per passenger, and 193 kilograms equals 427 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 Watertown

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

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 Watertown International Airport
City: Watertown, NY
Country: United States Flag of United States
IATA Code: ART
ICAO Code: KART
Coordinates: 43°59′30″N, 76°1′18″W