How far is Great Falls, MT, from New Orleans, LA?
The distance between New Orleans (Louis Armstrong New Orleans International Airport) and Great Falls (Great Falls International Airport) is 1649 miles / 2655 kilometers / 1433 nautical miles.
The driving distance from New Orleans (MSY) to Great Falls (GTF) is 2064 miles / 3321 kilometers, and travel time by car is about 38 hours 11 minutes.
Louis Armstrong New Orleans International Airport – Great Falls International Airport
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Distance from New Orleans to Great Falls
There are several ways to calculate the distance from New Orleans to Great Falls. Here are two standard methods:
Vincenty's formula (applied above)- 1649.465 miles
- 2654.557 kilometers
- 1433.346 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- 1649.069 miles
- 2653.919 kilometers
- 1433.002 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 New Orleans to Great Falls?
The estimated flight time from Louis Armstrong New Orleans International Airport to Great Falls International Airport is 3 hours and 37 minutes.
What is the time difference between New Orleans and Great Falls?
Flight carbon footprint between Louis Armstrong New Orleans International Airport (MSY) and Great Falls International Airport (GTF)
On average, flying from New Orleans to Great Falls generates about 189 kg of CO2 per passenger, and 189 kilograms equals 417 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from New Orleans to Great Falls
See the map of the shortest flight path between Louis Armstrong New Orleans International Airport (MSY) and Great Falls International Airport (GTF).
Airport information
| Origin | Louis Armstrong New Orleans International Airport |
|---|---|
| City: | New Orleans, LA |
| Country: | United States  |
| IATA Code: | MSY |
| ICAO Code: | KMSY |
| Coordinates: | 29°59′36″N, 90°15′28″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 |