How far is Great Falls, MT, from Brookings, SD?
The distance between Brookings (Brookings Regional Airport) and Great Falls (Great Falls International Airport) is 734 miles / 1181 kilometers / 638 nautical miles.
The driving distance from Brookings (BKX) to Great Falls (GTF) is 928 miles / 1494 kilometers, and travel time by car is about 16 hours 32 minutes.
Brookings Regional Airport – Great Falls International Airport
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Distance from Brookings to Great Falls
There are several ways to calculate the distance from Brookings to Great Falls. Here are two standard methods:
Vincenty's formula (applied above)- 734.093 miles
- 1181.408 kilometers
- 637.909 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- 732.221 miles
- 1178.395 kilometers
- 636.282 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 Brookings to Great Falls?
The estimated flight time from Brookings Regional Airport to Great Falls International Airport is 1 hour and 53 minutes.
What is the time difference between Brookings and Great Falls?
Flight carbon footprint between Brookings Regional Airport (BKX) and Great Falls International Airport (GTF)
On average, flying from Brookings to Great Falls generates about 128 kg of CO2 per passenger, and 128 kilograms equals 283 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Brookings to Great Falls
See the map of the shortest flight path between Brookings Regional Airport (BKX) and Great Falls International Airport (GTF).
Airport information
| Origin | Brookings Regional Airport |
|---|---|
| City: | Brookings, SD |
| Country: | United States  |
| IATA Code: | BKX |
| ICAO Code: | KBKX |
| Coordinates: | 44°18′17″N, 96°49′0″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 |