How far is Round Lake from Great Falls, MT?
The distance between Great Falls (Great Falls International Airport) and Round Lake (Round Lake (Weagamow Lake) Airport) is 962 miles / 1549 kilometers / 836 nautical miles.
The driving distance from Great Falls (GTF) to Round Lake (ZRJ) is 1420 miles / 2285 kilometers, and travel time by car is about 37 hours 21 minutes.
Great Falls International Airport – Round Lake (Weagamow Lake) Airport
Search flights
Distance from Great Falls to Round Lake
There are several ways to calculate the distance from Great Falls to Round Lake. Here are two standard methods:
Vincenty's formula (applied above)- 962.276 miles
- 1548.632 kilometers
- 836.195 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- 959.709 miles
- 1544.503 kilometers
- 833.965 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 Round Lake?
The estimated flight time from Great Falls International Airport to Round Lake (Weagamow Lake) Airport is 2 hours and 19 minutes.
What is the time difference between Great Falls and Round Lake?
Flight carbon footprint between Great Falls International Airport (GTF) and Round Lake (Weagamow Lake) Airport (ZRJ)
On average, flying from Great Falls to Round Lake generates about 148 kg of CO2 per passenger, and 148 kilograms equals 327 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 Round Lake
See the map of the shortest flight path between Great Falls International Airport (GTF) and Round Lake (Weagamow Lake) Airport (ZRJ).
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 | Round Lake (Weagamow Lake) Airport |
|---|---|
| City: | Round Lake |
| Country: | Canada  |
| IATA Code: | ZRJ |
| ICAO Code: | CZRJ |
| Coordinates: | 52°56′36″N, 91°18′46″W |