How far is Helena, MT, from La Grande Rivière?
The distance between La Grande Rivière (La Grande Rivière Airport) and Helena (Helena Regional Airport) is 1581 miles / 2544 kilometers / 1374 nautical miles.
The driving distance from La Grande Rivière (YGL) to Helena (HLN) is 2347 miles / 3777 kilometers, and travel time by car is about 47 hours 59 minutes.
La Grande Rivière Airport – Helena Regional Airport
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Distance from La Grande Rivière to Helena
There are several ways to calculate the distance from La Grande Rivière to Helena. Here are two standard methods:
Vincenty's formula (applied above)- 1581.070 miles
- 2544.486 kilometers
- 1373.912 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- 1576.608 miles
- 2537.305 kilometers
- 1370.035 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 La Grande Rivière to Helena?
The estimated flight time from La Grande Rivière Airport to Helena Regional Airport is 3 hours and 29 minutes.
What is the time difference between La Grande Rivière and Helena?
Flight carbon footprint between La Grande Rivière Airport (YGL) and Helena Regional Airport (HLN)
On average, flying from La Grande Rivière to Helena generates about 185 kg of CO2 per passenger, and 185 kilograms equals 407 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from La Grande Rivière to Helena
See the map of the shortest flight path between La Grande Rivière Airport (YGL) and Helena Regional Airport (HLN).
Airport information
| Origin | La Grande Rivière Airport |
|---|---|
| City: | La Grande Rivière |
| Country: | Canada  |
| IATA Code: | YGL |
| ICAO Code: | CYGL |
| Coordinates: | 53°37′31″N, 77°42′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 |