How far is Great Falls, MT, from Round Lake?
The distance between Round Lake (Round Lake (Weagamow Lake) Airport) and Great Falls (Great Falls International Airport) is 962 miles / 1549 kilometers / 836 nautical miles.
The driving distance from Round Lake (ZRJ) to Great Falls (GTF) is 1493 miles / 2402 kilometers, and travel time by car is about 37 hours 25 minutes.
Round Lake (Weagamow Lake) Airport – Great Falls International Airport
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Distance from Round Lake to Great Falls
There are several ways to calculate the distance from Round Lake to Great Falls. 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 Round Lake to Great Falls?
The estimated flight time from Round Lake (Weagamow Lake) Airport to Great Falls International Airport is 2 hours and 19 minutes.
What is the time difference between Round Lake and Great Falls?
Flight carbon footprint between Round Lake (Weagamow Lake) Airport (ZRJ) and Great Falls International Airport (GTF)
On average, flying from Round Lake to Great Falls 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 Round Lake to Great Falls
See the map of the shortest flight path between Round Lake (Weagamow Lake) Airport (ZRJ) and Great Falls International Airport (GTF).
Airport information
| Origin | 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 |
| Destination | 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 |