How far is Grand Forks, ND, from Great Falls, MT?
The distance between Great Falls (Great Falls International Airport) and Grand Forks (Grand Forks International Airport) is 662 miles / 1065 kilometers / 575 nautical miles.
The driving distance from Great Falls (GTF) to Grand Forks (GFK) is 797 miles / 1282 kilometers, and travel time by car is about 14 hours 47 minutes.
Great Falls International Airport – Grand Forks International Airport
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Distance from Great Falls to Grand Forks
There are several ways to calculate the distance from Great Falls to Grand Forks. Here are two standard methods:
Vincenty's formula (applied above)- 661.678 miles
- 1064.868 kilometers
- 574.982 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- 659.731 miles
- 1061.735 kilometers
- 573.291 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 Grand Forks?
The estimated flight time from Great Falls International Airport to Grand Forks International Airport is 1 hour and 45 minutes.
What is the time difference between Great Falls and Grand Forks?
Flight carbon footprint between Great Falls International Airport (GTF) and Grand Forks International Airport (GFK)
On average, flying from Great Falls to Grand Forks generates about 120 kg of CO2 per passenger, and 120 kilograms equals 265 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 Grand Forks
See the map of the shortest flight path between Great Falls International Airport (GTF) and Grand Forks International Airport (GFK).
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 | Grand Forks International Airport |
|---|---|
| City: | Grand Forks, ND |
| Country: | United States |
| IATA Code: | GFK |
| ICAO Code: | KGFK |
| Coordinates: | 47°56′57″N, 97°10′33″W |