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How far is New Orleans, LA, from St Louis, MO?

The distance between St Louis (St. Louis Lambert International Airport) and New Orleans (Louis Armstrong New Orleans International Airport) is 604 miles / 971 kilometers / 524 nautical miles.

The driving distance from St Louis (STL) to New Orleans (MSY) is 679 miles / 1092 kilometers, and travel time by car is about 12 hours 26 minutes.

St. Louis Lambert International Airport – Louis Armstrong New Orleans International Airport

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604
Miles
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971
Kilometers
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524
Nautical miles

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Distance from St Louis to New Orleans

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

Vincenty's formula (applied above)
  • 603.525 miles
  • 971.279 kilometers
  • 524.449 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
  • 604.967 miles
  • 973.600 kilometers
  • 525.702 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 St Louis to New Orleans?

The estimated flight time from St. Louis Lambert International Airport to Louis Armstrong New Orleans International Airport is 1 hour and 38 minutes.

What is the time difference between St Louis and New Orleans?

There is no time difference between St Louis and New Orleans.

Flight carbon footprint between St. Louis Lambert International Airport (STL) and Louis Armstrong New Orleans International Airport (MSY)

On average, flying from St Louis to New Orleans generates about 113 kg of CO2 per passenger, and 113 kilograms equals 249 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from St Louis to New Orleans

See the map of the shortest flight path between St. Louis Lambert International Airport (STL) and Louis Armstrong New Orleans International Airport (MSY).

Airport information

Origin St. Louis Lambert International Airport
City: St Louis, MO
Country: United States Flag of United States
IATA Code: STL
ICAO Code: KSTL
Coordinates: 38°44′55″N, 90°22′12″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

Airlines flying from St Louis (STL) to New Orleans (MSY)

AirTran Airways
Southwest Airlines