How far is Great Falls, MT, from Duluth, MN?
The distance between Duluth (Duluth International Airport) and Great Falls (Great Falls International Airport) is 902 miles / 1452 kilometers / 784 nautical miles.
The driving distance from Duluth (DLH) to Great Falls (GTF) is 1002 miles / 1613 kilometers, and travel time by car is about 18 hours 45 minutes.
Duluth International Airport – Great Falls International Airport
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Distance from Duluth to Great Falls
There are several ways to calculate the distance from Duluth to Great Falls. Here are two standard methods:
Vincenty's formula (applied above)- 902.345 miles
- 1452.184 kilometers
- 784.117 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- 899.720 miles
- 1447.959 kilometers
- 781.835 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 Duluth to Great Falls?
The estimated flight time from Duluth International Airport to Great Falls International Airport is 2 hours and 12 minutes.
What is the time difference between Duluth and Great Falls?
The time difference between Duluth and Great Falls is 1 hour. Great Falls is 1 hour behind Duluth.
Flight carbon footprint between Duluth International Airport (DLH) and Great Falls International Airport (GTF)
On average, flying from Duluth to Great Falls generates about 144 kg of CO2 per passenger, and 144 kilograms equals 317 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Duluth to Great Falls
See the map of the shortest flight path between Duluth International Airport (DLH) and Great Falls International Airport (GTF).
Airport information
| Origin | Duluth International Airport |
|---|---|
| City: | Duluth, MN |
| Country: | United States  |
| IATA Code: | DLH |
| ICAO Code: | KDLH |
| Coordinates: | 46°50′31″N, 92°11′36″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 |