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How far is Helena, MT, from Dunedin?

The distance between Dunedin (Dunedin Airport) and Helena (Helena Regional Airport) is 7926 miles / 12755 kilometers / 6887 nautical miles.

Dunedin Airport – Helena Regional Airport

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7926
Miles
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12755
Kilometers
Distance arrow
6887
Nautical miles

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Distance from Dunedin to Helena

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

Vincenty's formula (applied above)
  • 7925.619 miles
  • 12755.048 kilometers
  • 6887.175 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
  • 7939.778 miles
  • 12777.833 kilometers
  • 6899.478 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 Dunedin to Helena?

The estimated flight time from Dunedin Airport to Helena Regional Airport is 15 hours and 30 minutes.

Flight carbon footprint between Dunedin Airport (DUD) and Helena Regional Airport (HLN)

On average, flying from Dunedin to Helena generates about 988 kg of CO2 per passenger, and 988 kilograms equals 2 177 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Dunedin to Helena

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

Airport information

Origin Dunedin Airport
City: Dunedin
Country: New Zealand Flag of New Zealand
IATA Code: DUD
ICAO Code: NZDN
Coordinates: 45°55′41″S, 170°11′52″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