How far is Great Falls, MT, from Gillam?
The distance between Gillam (Gillam Airport) and Great Falls (Great Falls International Airport) is 936 miles / 1506 kilometers / 813 nautical miles.
The driving distance from Gillam (YGX) to Great Falls (GTF) is 1298 miles / 2089 kilometers, and travel time by car is about 30 hours 35 minutes.
Gillam Airport – Great Falls International Airport
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Distance from Gillam to Great Falls
There are several ways to calculate the distance from Gillam to Great Falls. Here are two standard methods:
Vincenty's formula (applied above)- 935.753 miles
- 1505.948 kilometers
- 813.147 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- 933.803 miles
- 1502.810 kilometers
- 811.452 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 Gillam to Great Falls?
The estimated flight time from Gillam Airport to Great Falls International Airport is 2 hours and 16 minutes.
What is the time difference between Gillam and Great Falls?
The time difference between Gillam and Great Falls is 1 hour. Great Falls is 1 hour behind Gillam.
Flight carbon footprint between Gillam Airport (YGX) and Great Falls International Airport (GTF)
On average, flying from Gillam to Great Falls generates about 146 kg of CO2 per passenger, and 146 kilograms equals 323 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Gillam to Great Falls
See the map of the shortest flight path between Gillam Airport (YGX) and Great Falls International Airport (GTF).
Airport information
| Origin | Gillam Airport |
|---|---|
| City: | Gillam |
| Country: | Canada  |
| IATA Code: | YGX |
| ICAO Code: | CYGX |
| Coordinates: | 56°21′26″N, 94°42′38″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 |