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How far is Great Falls, MT, from Porto Alegre?

The distance between Porto Alegre (Salgado Filho Porto Alegre International Airport) and Great Falls (Great Falls International Airport) is 6512 miles / 10479 kilometers / 5658 nautical miles.

Salgado Filho Porto Alegre International Airport – Great Falls International Airport

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6512
Miles
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10479
Kilometers
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5658
Nautical miles

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Distance from Porto Alegre to Great Falls

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

Vincenty's formula (applied above)
  • 6511.566 miles
  • 10479.350 kilometers
  • 5658.396 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
  • 6525.845 miles
  • 10502.329 kilometers
  • 5670.804 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 Porto Alegre to Great Falls?

The estimated flight time from Salgado Filho Porto Alegre International Airport to Great Falls International Airport is 12 hours and 49 minutes.

Flight carbon footprint between Salgado Filho Porto Alegre International Airport (POA) and Great Falls International Airport (GTF)

On average, flying from Porto Alegre to Great Falls generates about 787 kg of CO2 per passenger, and 787 kilograms equals 1 734 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Porto Alegre to Great Falls

See the map of the shortest flight path between Salgado Filho Porto Alegre International Airport (POA) and Great Falls International Airport (GTF).

Airport information

Origin Salgado Filho Porto Alegre International Airport
City: Porto Alegre
Country: Brazil Flag of Brazil
IATA Code: POA
ICAO Code: SBPA
Coordinates: 29°59′39″S, 51°10′17″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