How far is New Orleans, LA, from Great Falls, MT?
The distance between Great Falls (Great Falls International Airport) and New Orleans (Louis Armstrong New Orleans International Airport) is 1649 miles / 2655 kilometers / 1433 nautical miles.
The driving distance from Great Falls (GTF) to New Orleans (MSY) is 2064 miles / 3322 kilometers, and travel time by car is about 38 hours 13 minutes.
Great Falls International Airport – Louis Armstrong New Orleans International Airport
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Distance from Great Falls to New Orleans
There are several ways to calculate the distance from Great Falls to New Orleans. 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 Great Falls to New Orleans?
The estimated flight time from Great Falls International Airport to Louis Armstrong New Orleans International Airport is 3 hours and 37 minutes.
What is the time difference between Great Falls and New Orleans?
Flight carbon footprint between Great Falls International Airport (GTF) and Louis Armstrong New Orleans International Airport (MSY)
On average, flying from Great Falls to New Orleans 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 Great Falls to New Orleans
See the map of the shortest flight path between Great Falls International Airport (GTF) and Louis Armstrong New Orleans International Airport (MSY).
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 | 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 |