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How far is Helena, MT, from Liège?

The distance between Liège (Liège Airport) and Helena (Helena Regional Airport) is 4770 miles / 7676 kilometers / 4145 nautical miles.

Liège Airport – Helena Regional Airport

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4770
Miles
Distance arrow
7676
Kilometers
Distance arrow
4145
Nautical miles

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Distance from Liège to Helena

There are several ways to calculate the distance from Liège to Helena. Here are two standard methods:

Vincenty's formula (applied above)
  • 4769.817 miles
  • 7676.277 kilometers
  • 4144.858 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
  • 4755.769 miles
  • 7653.668 kilometers
  • 4132.650 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 Liège to Helena?

The estimated flight time from Liège Airport to Helena Regional Airport is 9 hours and 31 minutes.

Flight carbon footprint between Liège Airport (LGG) and Helena Regional Airport (HLN)

On average, flying from Liège to Helena generates about 554 kg of CO2 per passenger, and 554 kilograms equals 1 221 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Liège to Helena

See the map of the shortest flight path between Liège Airport (LGG) and Helena Regional Airport (HLN).

Airport information

Origin Liège Airport
City: Liège
Country: Belgium Flag of Belgium
IATA Code: LGG
ICAO Code: EBLG
Coordinates: 50°38′14″N, 5°26′35″E
Destination Helena Regional Airport
City: Helena, MT
Country: United States Flag of United States
IATA Code: HLN
ICAO Code: KHLN
Coordinates: 46°36′24″N, 111°58′58″W