How far is Great Falls, MT, from Petersburg, AK?
The distance between Petersburg (Petersburg James A. Johnson Airport) and Great Falls (Great Falls International Airport) is 1114 miles / 1792 kilometers / 968 nautical miles.
The driving distance from Petersburg (PSG) to Great Falls (GTF) is 1517 miles / 2441 kilometers, and travel time by car is about 41 hours 51 minutes.
Petersburg James A. Johnson Airport – Great Falls International Airport
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Distance from Petersburg to Great Falls
There are several ways to calculate the distance from Petersburg to Great Falls. Here are two standard methods:
Vincenty's formula (applied above)- 1113.628 miles
- 1792.210 kilometers
- 967.716 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- 1111.014 miles
- 1788.004 kilometers
- 965.445 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 Petersburg to Great Falls?
The estimated flight time from Petersburg James A. Johnson Airport to Great Falls International Airport is 2 hours and 36 minutes.
What is the time difference between Petersburg and Great Falls?
Flight carbon footprint between Petersburg James A. Johnson Airport (PSG) and Great Falls International Airport (GTF)
On average, flying from Petersburg to Great Falls generates about 157 kg of CO2 per passenger, and 157 kilograms equals 347 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Petersburg to Great Falls
See the map of the shortest flight path between Petersburg James A. Johnson Airport (PSG) and Great Falls International Airport (GTF).
Airport information
| Origin | Petersburg James A. Johnson Airport |
|---|---|
| City: | Petersburg, AK |
| Country: | United States  |
| IATA Code: | PSG |
| ICAO Code: | PAPG |
| Coordinates: | 56°48′6″N, 132°56′42″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 |