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How far is Helena, MT, from Shamattawa?

The distance between Shamattawa (Shamattawa Airport) and Helena (Helena Regional Airport) is 1069 miles / 1720 kilometers / 929 nautical miles.

The driving distance from Shamattawa (ZTM) to Helena (HLN) is 1481 miles / 2384 kilometers, and travel time by car is about 38 hours 37 minutes.

Shamattawa Airport – Helena Regional Airport

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1069
Miles
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1720
Kilometers
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929
Nautical miles

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Distance from Shamattawa to Helena

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

Vincenty's formula (applied above)
  • 1068.568 miles
  • 1719.694 kilometers
  • 928.560 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
  • 1066.219 miles
  • 1715.913 kilometers
  • 926.519 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 Shamattawa to Helena?

The estimated flight time from Shamattawa Airport to Helena Regional Airport is 2 hours and 31 minutes.

Flight carbon footprint between Shamattawa Airport (ZTM) and Helena Regional Airport (HLN)

On average, flying from Shamattawa to Helena generates about 155 kg of CO2 per passenger, and 155 kilograms equals 342 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Shamattawa to Helena

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

Airport information

Origin Shamattawa Airport
City: Shamattawa
Country: Canada Flag of Canada
IATA Code: ZTM
ICAO Code: CZTM
Coordinates: 55°51′56″N, 92°4′53″W
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