Map of flight path and driving directions from St Louis to New Orleans.
Shortest flight path between St. Louis Lambert International Airport (STL) and Louis Armstrong New Orleans International Airport (MSY).
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).
|A||St. Louis Lambert International Airport|
|City:||St Louis, MO|
|B||Louis Armstrong New Orleans International Airport|
|City:||New Orleans, LA|
Time difference and current local times
There is no time difference between St Louis and New Orleans.
St Louis, MO
New Orleans, LA
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 113 kg (249 pounds).
Frequent Flyer Miles Calculator
St Louis (STL) → New Orleans (MSY).