How far is Saint-Pierre from Helena, MT?
The distance between Helena (Helena Regional Airport) and Saint-Pierre (Saint-Pierre Airport) is 2595 miles / 4177 kilometers / 2255 nautical miles.
The driving distance from Helena (HLN) to Saint-Pierre (FSP) is 4349 miles / 6999 kilometers, and travel time by car is about 102 hours 15 minutes.
Helena Regional Airport – Saint-Pierre Airport
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Distance from Helena to Saint-Pierre
There are several ways to calculate the distance from Helena to Saint-Pierre. Here are two standard methods:
Vincenty's formula (applied above)- 2595.317 miles
- 4176.758 kilometers
- 2255.269 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- 2587.827 miles
- 4164.703 kilometers
- 2248.760 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 Saint-Pierre?
The estimated flight time from Helena Regional Airport to Saint-Pierre Airport is 5 hours and 24 minutes.
What is the time difference between Helena and Saint-Pierre?
Flight carbon footprint between Helena Regional Airport (HLN) and Saint-Pierre Airport (FSP)
On average, flying from Helena to Saint-Pierre generates about 286 kg of CO2 per passenger, and 286 kilograms equals 631 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 Saint-Pierre
See the map of the shortest flight path between Helena Regional Airport (HLN) and Saint-Pierre Airport (FSP).
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 | Saint-Pierre Airport |
|---|---|
| City: | Saint-Pierre |
| Country: | Saint Pierre and Miquelon  |
| IATA Code: | FSP |
| ICAO Code: | LFVP |
| Coordinates: | 46°45′46″N, 56°10′23″W |