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How far is Castlegar from Helena, MT?

The distance between Helena (Helena Regional Airport) and Castlegar (West Kootenay Regional Airport) is 321 miles / 517 kilometers / 279 nautical miles.

The driving distance from Helena (HLN) to Castlegar (YCG) is 437 miles / 703 kilometers, and travel time by car is about 8 hours 41 minutes.

Helena Regional Airport – West Kootenay Regional Airport

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321
Miles
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517
Kilometers
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279
Nautical miles

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Distance from Helena to Castlegar

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

Vincenty's formula (applied above)
  • 321.222 miles
  • 516.957 kilometers
  • 279.135 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
  • 320.595 miles
  • 515.948 kilometers
  • 278.590 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 Castlegar?

The estimated flight time from Helena Regional Airport to West Kootenay Regional Airport is 1 hour and 6 minutes.

Flight carbon footprint between Helena Regional Airport (HLN) and West Kootenay Regional Airport (YCG)

On average, flying from Helena to Castlegar generates about 72 kg of CO2 per passenger, and 72 kilograms equals 159 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 Castlegar

See the map of the shortest flight path between Helena Regional Airport (HLN) and West Kootenay Regional Airport (YCG).

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 West Kootenay Regional Airport
City: Castlegar
Country: Canada Flag of Canada
IATA Code: YCG
ICAO Code: CYCG
Coordinates: 49°17′47″N, 117°37′55″W