How far is Montreal from Helena, MT?
The distance between Helena (Helena Regional Airport) and Montreal (Montreal Saint-Hubert Longueuil Airport) is 1837 miles / 2957 kilometers / 1596 nautical miles.
The driving distance from Helena (HLN) to Montreal (YHU) is 2226 miles / 3583 kilometers, and travel time by car is about 41 hours 59 minutes.
Helena Regional Airport – Montreal Saint-Hubert Longueuil Airport
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Distance from Helena to Montreal
There are several ways to calculate the distance from Helena to Montreal. 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 Helena to Montreal?
The estimated flight time from Helena Regional Airport to Montreal Saint-Hubert Longueuil Airport is 3 hours and 58 minutes.
What is the time difference between Helena and Montreal?
The time difference between Helena and Montreal is 2 hours. Montreal is 2 hours ahead of Helena.
Flight carbon footprint between Helena Regional Airport (HLN) and Montreal Saint-Hubert Longueuil Airport (YHU)
On average, flying from Helena to Montreal 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 Helena to Montreal
See the map of the shortest flight path between Helena Regional Airport (HLN) and Montreal Saint-Hubert Longueuil Airport (YHU).
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 | Montreal Saint-Hubert Longueuil Airport |
|---|---|
| City: | Montreal |
| Country: | Canada  |
| IATA Code: | YHU |
| ICAO Code: | CYHU |
| Coordinates: | 45°31′3″N, 73°25′0″W |