How far is Great Falls, MT, from Rapid City, SD?
The distance between Rapid City (Rapid City Regional Airport) and Great Falls (Great Falls International Airport) is 466 miles / 751 kilometers / 405 nautical miles.
The driving distance from Rapid City (RAP) to Great Falls (GTF) is 556 miles / 894 kilometers, and travel time by car is about 12 hours 4 minutes.
Rapid City Regional Airport – Great Falls International Airport
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Distance from Rapid City to Great Falls
There are several ways to calculate the distance from Rapid City to Great Falls. Here are two standard methods:
Vincenty's formula (applied above)- 466.365 miles
- 750.542 kilometers
- 405.261 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- 465.439 miles
- 749.052 kilometers
- 404.456 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 Rapid City to Great Falls?
The estimated flight time from Rapid City Regional Airport to Great Falls International Airport is 1 hour and 22 minutes.
What is the time difference between Rapid City and Great Falls?
There is no time difference between Rapid City and Great Falls.
Flight carbon footprint between Rapid City Regional Airport (RAP) and Great Falls International Airport (GTF)
On average, flying from Rapid City to Great Falls generates about 94 kg of CO2 per passenger, and 94 kilograms equals 207 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Rapid City to Great Falls
See the map of the shortest flight path between Rapid City Regional Airport (RAP) and Great Falls International Airport (GTF).
Airport information
| Origin | Rapid City Regional Airport |
|---|---|
| City: | Rapid City, SD |
| Country: | United States  |
| IATA Code: | RAP |
| ICAO Code: | KRAP |
| Coordinates: | 44°2′43″N, 103°3′25″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 |