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

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

The driving distance from New Orleans (MSY) to St Louis (STL) is 680 miles / 1094 kilometers, and travel time by car is about 12 hours 30 minutes.

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

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

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

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

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

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

On average, flying from New Orleans to St Louis 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 New Orleans to St Louis

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

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 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

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

AirTran Airways
Southwest Airlines