How far is North Spirit Lake from Helena, MT?
The distance between Helena (Helena Regional Airport) and North Spirit Lake (North Spirit Lake Airport) is 943 miles / 1517 kilometers / 819 nautical miles.
Helena Regional Airport – North Spirit Lake Airport
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Distance from Helena to North Spirit Lake
There are several ways to calculate the distance from Helena to North Spirit Lake. Here are two standard methods:
Vincenty's formula (applied above)- 942.839 miles
- 1517.352 kilometers
- 819.305 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- 940.458 miles
- 1513.520 kilometers
- 817.235 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 North Spirit Lake?
The estimated flight time from Helena Regional Airport to North Spirit Lake Airport is 2 hours and 17 minutes.
What is the time difference between Helena and North Spirit Lake?
Flight carbon footprint between Helena Regional Airport (HLN) and North Spirit Lake Airport (YNO)
On average, flying from Helena to North Spirit Lake generates about 147 kg of CO2 per passenger, and 147 kilograms equals 324 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path from Helena to North Spirit Lake
See the map of the shortest flight path between Helena Regional Airport (HLN) and North Spirit Lake Airport (YNO).
Airport information
| Origin | Helena Regional Airport |
|---|---|
| City: | Helena, MT |
| Country: | United States  |
| IATA Code: | HLN |
| ICAO Code: | KHLN |
| Coordinates: | 46°36′24″N, 111°58′58″W |
| Destination | North Spirit Lake Airport |
|---|---|
| City: | North Spirit Lake |
| Country: | Canada  |
| IATA Code: | YNO |
| ICAO Code: | CKQ3 |
| Coordinates: | 52°29′24″N, 92°58′15″W |