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How far is Emmonak, AK, from Helena, MT?

The distance between Helena (Helena Regional Airport) and Emmonak (Emmonak Airport) is 2295 miles / 3694 kilometers / 1995 nautical miles.

The driving distance from Helena (HLN) to Emmonak (EMK) is 3180 miles / 5118 kilometers, and travel time by car is about 137 hours 58 minutes.

Helena Regional Airport – Emmonak Airport

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2295
Miles
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3694
Kilometers
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1995
Nautical miles

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Distance from Helena to Emmonak

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

Vincenty's formula (applied above)
  • 2295.372 miles
  • 3694.044 kilometers
  • 1994.624 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
  • 2288.996 miles
  • 3683.782 kilometers
  • 1989.083 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 Helena to Emmonak?

The estimated flight time from Helena Regional Airport to Emmonak Airport is 4 hours and 50 minutes.

Flight carbon footprint between Helena Regional Airport (HLN) and Emmonak Airport (EMK)

On average, flying from Helena to Emmonak generates about 251 kg of CO2 per passenger, and 251 kilograms equals 554 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Helena to Emmonak

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

Airport information

Origin 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
Destination Emmonak Airport
City: Emmonak, AK
Country: United States Flag of United States
IATA Code: EMK
ICAO Code: PAEM
Coordinates: 62°47′9″N, 164°29′27″W