How far is Johnstown, PA, from Great Falls, MT?
The distance between Great Falls (Great Falls International Airport) and Johnstown (Johnstown–Cambria County Airport) is 1684 miles / 2710 kilometers / 1463 nautical miles.
The driving distance from Great Falls (GTF) to Johnstown (JST) is 1921 miles / 3092 kilometers, and travel time by car is about 35 hours 16 minutes.
Great Falls International Airport – Johnstown–Cambria County Airport
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Distance from Great Falls to Johnstown
There are several ways to calculate the distance from Great Falls to Johnstown. Here are two standard methods:
Vincenty's formula (applied above)- 1683.957 miles
- 2710.067 kilometers
- 1463.319 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- 1679.881 miles
- 2703.506 kilometers
- 1459.777 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 Johnstown?
The estimated flight time from Great Falls International Airport to Johnstown–Cambria County Airport is 3 hours and 41 minutes.
What is the time difference between Great Falls and Johnstown?
Flight carbon footprint between Great Falls International Airport (GTF) and Johnstown–Cambria County Airport (JST)
On average, flying from Great Falls to Johnstown generates about 192 kg of CO2 per passenger, and 192 kilograms equals 422 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 Johnstown
See the map of the shortest flight path between Great Falls International Airport (GTF) and Johnstown–Cambria County Airport (JST).
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 | Johnstown–Cambria County Airport |
|---|---|
| City: | Johnstown, PA |
| Country: | United States |
| IATA Code: | JST |
| ICAO Code: | KJST |
| Coordinates: | 40°18′57″N, 78°50′2″W |