How far is Helena, MT, from North Spirit Lake?
The distance between North Spirit Lake (North Spirit Lake Airport) and Helena (Helena Regional Airport) is 943 miles / 1517 kilometers / 819 nautical miles.
North Spirit Lake Airport – Helena Regional Airport
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Distance from North Spirit Lake to Helena
There are several ways to calculate the distance from North Spirit Lake to Helena. 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 North Spirit Lake to Helena?
The estimated flight time from North Spirit Lake Airport to Helena Regional Airport is 2 hours and 17 minutes.
What is the time difference between North Spirit Lake and Helena?
Flight carbon footprint between North Spirit Lake Airport (YNO) and Helena Regional Airport (HLN)
On average, flying from North Spirit Lake to Helena 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 North Spirit Lake to Helena
See the map of the shortest flight path between North Spirit Lake Airport (YNO) and Helena Regional Airport (HLN).
Airport information
| Origin | 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 |
| Destination | Helena Regional Airport |
|---|---|
| City: | Helena, MT |
| Country: | United States  |
| IATA Code: | HLN |
| ICAO Code: | KHLN |
| Coordinates: | 46°36′24″N, 111°58′58″W |