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

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

The driving distance from Decatur (DEC) to New Orleans (MSY) is 777 miles / 1250 kilometers, and travel time by car is about 14 hours 29 minutes.

Decatur Airport – Louis Armstrong New Orleans International 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 Decatur to New Orleans

There are several ways to calculate the distance from Decatur to New Orleans. 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 Decatur to New Orleans?

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

What is the time difference between Decatur and New Orleans?

There is no time difference between Decatur and New Orleans.

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

On average, flying from Decatur to New Orleans 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 Decatur to New Orleans

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

Airport information

Origin 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
Destination 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