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How far is Great Falls, MT, from Lisbon?

The distance between Lisbon (Lisbon Airport) and Great Falls (Great Falls International Airport) is 4815 miles / 7749 kilometers / 4184 nautical miles.

Lisbon Airport – Great Falls International Airport

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4815
Miles
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7749
Kilometers
Distance arrow
4184
Nautical miles

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Distance from Lisbon to Great Falls

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

Vincenty's formula (applied above)
  • 4815.247 miles
  • 7749.389 kilometers
  • 4184.336 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
  • 4802.817 miles
  • 7729.384 kilometers
  • 4173.534 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 Lisbon to Great Falls?

The estimated flight time from Lisbon Airport to Great Falls International Airport is 9 hours and 37 minutes.

Flight carbon footprint between Lisbon Airport (LIS) and Great Falls International Airport (GTF)

On average, flying from Lisbon to Great Falls generates about 560 kg of CO2 per passenger, and 560 kilograms equals 1 234 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Lisbon to Great Falls

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

Airport information

Origin Lisbon Airport
City: Lisbon
Country: Portugal Flag of Portugal
IATA Code: LIS
ICAO Code: LPPT
Coordinates: 38°46′52″N, 9°8′9″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