How far is Stony Rapids from Helena, MT?
The distance between Helena (Helena Regional Airport) and Stony Rapids (Stony Rapids Airport) is 910 miles / 1465 kilometers / 791 nautical miles.
The driving distance from Helena (HLN) to Stony Rapids (YSF) is 1264 miles / 2034 kilometers, and travel time by car is about 31 hours 50 minutes.
Helena Regional Airport – Stony Rapids Airport
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Distance from Helena to Stony Rapids
There are several ways to calculate the distance from Helena to Stony Rapids. Here are two standard methods:
Vincenty's formula (applied above)- 910.227 miles
- 1464.868 kilometers
- 790.965 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- 909.330 miles
- 1463.426 kilometers
- 790.187 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 Stony Rapids?
The estimated flight time from Helena Regional Airport to Stony Rapids Airport is 2 hours and 13 minutes.
What is the time difference between Helena and Stony Rapids?
There is no time difference between Helena and Stony Rapids.
Flight carbon footprint between Helena Regional Airport (HLN) and Stony Rapids Airport (YSF)
On average, flying from Helena to Stony Rapids generates about 144 kg of CO2 per passenger, and 144 kilograms equals 318 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 Stony Rapids
See the map of the shortest flight path between Helena Regional Airport (HLN) and Stony Rapids Airport (YSF).
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 | Stony Rapids Airport |
|---|---|
| City: | Stony Rapids |
| Country: | Canada  |
| IATA Code: | YSF |
| ICAO Code: | CYSF |
| Coordinates: | 59°15′1″N, 105°50′27″W |