Air Miles Calculator

Distance between St Louis, MO (STL) and New Orleans, LA (MSY)

Distance from St Louis to New Orleans (St. Louis Lambert International Airport – Louis Armstrong New Orleans International Airport) is 604 miles / 971 kilometers / 524 nautical miles.

How far is New Orleans from St Louis?

There are several ways to calculate distances between St Louis and New Orleans. Here are two common 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 earth.

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).

Flight duration

Estimated flight time from St. Louis Lambert International Airport (STL) to Louis Armstrong New Orleans International Airport (MSY) is 1 hour 38 minutes.

Time difference and current local times

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

Time Difference

St Louis
New Orleans

St Louis, MO

 CDT

New Orleans, LA

 CDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 113 kg (249 pounds).

Airport information


A 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

B 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

St Louis to New Orleans flight path

Shortest flight path between St. Louis Lambert International Airport (STL) and Louis Armstrong New Orleans International Airport (MSY).

Frequent Flyer Miles Calculator

St Louis (STL) → New Orleans (MSY).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
604
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
604

Round trip?