How far is Cat Lake from Great Falls, MT?
The distance between Great Falls (Great Falls International Airport) and Cat Lake (Cat Lake Airport) is 922 miles / 1484 kilometers / 801 nautical miles.
The driving distance from Great Falls (GTF) to Cat Lake (YAC) is 1220 miles / 1963 kilometers, and travel time by car is about 29 hours 28 minutes.
Great Falls International Airport – Cat Lake Airport
Search flights
Distance from Great Falls to Cat Lake
There are several ways to calculate the distance from Great Falls to Cat Lake. Here are two standard methods:
Vincenty's formula (applied above)- 922.307 miles
- 1484.309 kilometers
- 801.463 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- 919.751 miles
- 1480.196 kilometers
- 799.242 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 Cat Lake?
The estimated flight time from Great Falls International Airport to Cat Lake Airport is 2 hours and 14 minutes.
What is the time difference between Great Falls and Cat Lake?
Flight carbon footprint between Great Falls International Airport (GTF) and Cat Lake Airport (YAC)
On average, flying from Great Falls to Cat Lake generates about 145 kg of CO2 per passenger, and 145 kilograms equals 320 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 Cat Lake
See the map of the shortest flight path between Great Falls International Airport (GTF) and Cat Lake Airport (YAC).
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 | Cat Lake Airport |
|---|---|
| City: | Cat Lake |
| Country: | Canada  |
| IATA Code: | YAC |
| ICAO Code: | CYAC |
| Coordinates: | 51°43′37″N, 91°49′27″W |