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How far is Decatur, IL, from New Orleans, LA?

The distance between New Orleans (Louis Armstrong New Orleans International Airport) and Decatur (Decatur Airport) is 683 miles / 1099 kilometers / 593 nautical miles.

The driving distance from New Orleans (MSY) to Decatur (DEC) is 777 miles / 1251 kilometers, and travel time by car is about 14 hours 32 minutes.

Louis Armstrong New Orleans International Airport – Decatur Airport

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683
Miles
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1099
Kilometers
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593
Nautical miles

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Distance from New Orleans to Decatur

There are several ways to calculate the distance from New Orleans to Decatur. Here are two standard methods:

Vincenty's formula (applied above)
  • 682.965 miles
  • 1099.126 kilometers
  • 593.481 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
  • 684.495 miles
  • 1101.588 kilometers
  • 594.810 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 Decatur?

The estimated flight time from Louis Armstrong New Orleans International Airport to Decatur Airport is 1 hour and 47 minutes.

What is the time difference between New Orleans and Decatur?

There is no time difference between New Orleans and Decatur.

Flight carbon footprint between Louis Armstrong New Orleans International Airport (MSY) and Decatur Airport (DEC)

On average, flying from New Orleans to Decatur generates about 123 kg of CO2 per passenger, and 123 kilograms equals 270 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 Decatur

See the map of the shortest flight path between Louis Armstrong New Orleans International Airport (MSY) and Decatur Airport (DEC).

Airport information

Origin Louis Armstrong New Orleans International Airport
City: New Orleans, LA
Country: United States Flag of United States
IATA Code: MSY
ICAO Code: KMSY
Coordinates: 29°59′36″N, 90°15′28″W
Destination Decatur Airport
City: Decatur, IL
Country: United States Flag of United States
IATA Code: DEC
ICAO Code: KDEC
Coordinates: 39°50′4″N, 88°51′56″W