How far is Great Falls, MT, from Pierre, SD?
The distance between Pierre (Pierre Regional Airport) and Great Falls (Great Falls International Airport) is 575 miles / 925 kilometers / 500 nautical miles.
The driving distance from Pierre (PIR) to Great Falls (GTF) is 693 miles / 1116 kilometers, and travel time by car is about 13 hours 23 minutes.
Pierre Regional Airport – Great Falls International Airport
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Distance from Pierre to Great Falls
There are several ways to calculate the distance from Pierre to Great Falls. Here are two standard methods:
Vincenty's formula (applied above)- 574.844 miles
- 925.122 kilometers
- 499.526 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- 573.469 miles
- 922.908 kilometers
- 498.331 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 Pierre to Great Falls?
The estimated flight time from Pierre Regional Airport to Great Falls International Airport is 1 hour and 35 minutes.
What is the time difference between Pierre and Great Falls?
The time difference between Pierre and Great Falls is 1 hour. Great Falls is 1 hour behind Pierre.
Flight carbon footprint between Pierre Regional Airport (PIR) and Great Falls International Airport (GTF)
On average, flying from Pierre to Great Falls generates about 109 kg of CO2 per passenger, and 109 kilograms equals 241 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Pierre to Great Falls
See the map of the shortest flight path between Pierre Regional Airport (PIR) and Great Falls International Airport (GTF).
Airport information
| Origin | Pierre Regional Airport |
|---|---|
| City: | Pierre, SD |
| Country: | United States  |
| IATA Code: | PIR |
| ICAO Code: | KPIR |
| Coordinates: | 44°22′57″N, 100°17′9″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 |