How far is Helena, MT, from Montreal?
The distance between Montreal (Montreal Saint-Hubert Longueuil Airport) and Helena (Helena Regional Airport) is 1837 miles / 2957 kilometers / 1596 nautical miles.
The driving distance from Montreal (YHU) to Helena (HLN) is 2216 miles / 3566 kilometers, and travel time by car is about 41 hours 54 minutes.
Montreal Saint-Hubert Longueuil Airport – Helena Regional Airport
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Distance from Montreal to Helena
There are several ways to calculate the distance from Montreal to Helena. Here are two standard methods:
Vincenty's formula (applied above)- 1837.165 miles
- 2956.631 kilometers
- 1596.453 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- 1831.936 miles
- 2948.215 kilometers
- 1591.909 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 Montreal to Helena?
The estimated flight time from Montreal Saint-Hubert Longueuil Airport to Helena Regional Airport is 3 hours and 58 minutes.
What is the time difference between Montreal and Helena?
The time difference between Montreal and Helena is 2 hours. Helena is 2 hours behind Montreal.
Flight carbon footprint between Montreal Saint-Hubert Longueuil Airport (YHU) and Helena Regional Airport (HLN)
On average, flying from Montreal to Helena generates about 203 kg of CO2 per passenger, and 203 kilograms equals 448 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Montreal to Helena
See the map of the shortest flight path between Montreal Saint-Hubert Longueuil Airport (YHU) and Helena Regional Airport (HLN).
Airport information
| Origin | Montreal Saint-Hubert Longueuil Airport |
|---|---|
| City: | Montreal |
| Country: | Canada  |
| IATA Code: | YHU |
| ICAO Code: | CYHU |
| Coordinates: | 45°31′3″N, 73°25′0″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 |