How far is Helena, MT, from Istanbul?

The distance between Istanbul (Istanbul Atatürk Airport) and Helena (Helena Regional Airport) is 5938 miles / 9557 kilometers / 5160 nautical miles.

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)

• 5938.262 miles
• 9556.706 kilometers
• 5160.208 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

• 5922.877 miles
• 9531.947 kilometers
• 5146.840 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 Atatürk Airport to Helena Regional Airport is 11 hours and 44 minutes.

What is the time difference between Istanbul and Helena?

The time difference between Istanbul and Helena is 10 hours. Helena is 10 hours behind Istanbul.

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

On average, flying from Istanbul to Helena generates about 708 kg of CO2 per passenger, and 708 kilograms equals 1 562 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 Atatürk Airport (ISL) and Helena Regional Airport (HLN).

Airport information

Origin	Istanbul Atatürk Airport
City:	Istanbul
Country:	Turkey
IATA Code:	ISL
ICAO Code:	LTBA
Coordinates:	40°58′36″N, 28°48′52″E

Destination	Helena Regional Airport
City:	Helena, MT
Country:	United States
IATA Code:	HLN
ICAO Code:	KHLN
Coordinates:	46°36′24″N, 111°58′58″W