How far is Calgary from Great Falls, MT?
The distance between Great Falls (Great Falls International Airport) and Calgary (Calgary International Airport) is 278 miles / 447 kilometers / 242 nautical miles.
The driving distance from Great Falls (GTF) to Calgary (YYC) is 328 miles / 528 kilometers, and travel time by car is about 6 hours 24 minutes.
Great Falls International Airport – Calgary International Airport
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Distance from Great Falls to Calgary
There are several ways to calculate the distance from Great Falls to Calgary. Here are two standard methods:
Vincenty's formula (applied above)- 278.032 miles
- 447.449 kilometers
- 241.603 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- 277.834 miles
- 447.130 kilometers
- 241.431 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 Great Falls to Calgary?
The estimated flight time from Great Falls International Airport to Calgary International Airport is 1 hour and 1 minutes.
What is the time difference between Great Falls and Calgary?
There is no time difference between Great Falls and Calgary.
Flight carbon footprint between Great Falls International Airport (GTF) and Calgary International Airport (YYC)
On average, flying from Great Falls to Calgary generates about 66 kg of CO2 per passenger, and 66 kilograms equals 145 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Great Falls to Calgary
See the map of the shortest flight path between Great Falls International Airport (GTF) and Calgary International Airport (YYC).
Airport information
| Origin | Great Falls International Airport |
|---|---|
| City: | Great Falls, MT |
| Country: | United States  |
| IATA Code: | GTF |
| ICAO Code: | KGTF |
| Coordinates: | 47°28′55″N, 111°22′15″W |
| Destination | Calgary International Airport |
|---|---|
| City: | Calgary |
| Country: | Canada  |
| IATA Code: | YYC |
| ICAO Code: | CYYC |
| Coordinates: | 51°6′50″N, 114°1′11″W |