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How far is Helena, MT, from Istanbul?

The distance between Istanbul (Istanbul Airport) and Helena (Helena Regional Airport) is 5919 miles / 9526 kilometers / 5143 nautical miles.

Istanbul Airport – Helena Regional Airport

Distance arrow
5919
Miles
Distance arrow
9526
Kilometers
Distance arrow
5143
Nautical miles

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Distance from Istanbul to Helena

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

Vincenty's formula (applied above)
  • 5919.022 miles
  • 9525.743 kilometers
  • 5143.490 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
  • 5903.621 miles
  • 9500.958 kilometers
  • 5130.107 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 Istanbul to Helena?

The estimated flight time from Istanbul Airport to Helena Regional Airport is 11 hours and 42 minutes.

Flight carbon footprint between Istanbul Airport (IST) and Helena Regional Airport (HLN)

On average, flying from Istanbul to Helena generates about 706 kg of CO2 per passenger, and 706 kilograms equals 1 556 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Istanbul to Helena

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

Airport information

Origin Istanbul Airport
City: Istanbul
Country: Turkey Flag of Turkey
IATA Code: IST
ICAO Code: LTFM
Coordinates: 41°15′36″N, 28°44′33″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