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

The distance between Helena (Helena Regional Airport) and Tatitlek (Tatitlek Airport) is 1700 miles / 2736 kilometers / 1477 nautical miles.

The driving distance from Helena (HLN) to Tatitlek (TEK) is 2461 miles / 3961 kilometers, and travel time by car is about 50 hours 12 minutes.

Helena Regional Airport – Tatitlek Airport

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1700
Miles
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2736
Kilometers
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1477
Nautical miles

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Distance from Helena to Tatitlek

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

Vincenty's formula (applied above)
  • 1699.812 miles
  • 2735.583 kilometers
  • 1477.096 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
  • 1695.600 miles
  • 2728.804 kilometers
  • 1473.436 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 Tatitlek?

The estimated flight time from Helena Regional Airport to Tatitlek Airport is 3 hours and 43 minutes.

Flight carbon footprint between Helena Regional Airport (HLN) and Tatitlek Airport (TEK)

On average, flying from Helena to Tatitlek generates about 193 kg of CO2 per passenger, and 193 kilograms equals 425 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 Tatitlek

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

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 Tatitlek Airport
City: Tatitlek, AK
Country: United States Flag of United States
IATA Code: TEK
ICAO Code: PAKA
Coordinates: 60°52′17″N, 146°41′25″W