How far is Helena, MT, from Calgary?
The distance between Calgary (Calgary International Airport) and Helena (Helena Regional Airport) is 325 miles / 523 kilometers / 282 nautical miles.
The driving distance from Calgary (YYC) to Helena (HLN) is 408 miles / 657 kilometers, and travel time by car is about 7 hours 23 minutes.
Calgary International Airport – Helena Regional Airport
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Distance from Calgary to Helena
There are several ways to calculate the distance from Calgary to Helena. Here are two standard methods:
Vincenty's formula (applied above)- 324.962 miles
- 522.976 kilometers
- 282.385 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- 324.851 miles
- 522.797 kilometers
- 282.288 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 Calgary to Helena?
The estimated flight time from Calgary International Airport to Helena Regional Airport is 1 hour and 6 minutes.
What is the time difference between Calgary and Helena?
Flight carbon footprint between Calgary International Airport (YYC) and Helena Regional Airport (HLN)
On average, flying from Calgary to Helena generates about 73 kg of CO2 per passenger, and 73 kilograms equals 161 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Calgary to Helena
See the map of the shortest flight path between Calgary International Airport (YYC) and Helena Regional Airport (HLN).
Airport information
| Origin | Calgary International Airport |
|---|---|
| City: | Calgary |
| Country: | Canada  |
| IATA Code: | YYC |
| ICAO Code: | CYYC |
| Coordinates: | 51°6′50″N, 114°1′11″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 |