The flight distance from Key West International Airport to Louis Armstrong New Orleans International Airport is:

643 miles / 1 034 km

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Flight path from EYW to MSY

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Distance from EYW to MSY

The total distance from EYW to MSY is 643 miles.

This is equivalent to 1 034 kilometers or 559 nautical miles.

Your trip begins at Key West International Airport in Key West, Florida.
It ends at Louis Armstrong New Orleans International Airport in New Orleans, Louisiana.

Your flight direction from EYW to MSY is Northwest (-53 degrees from North).

The distance calculator helps you figure out how far it is to fly from EYW to MSY. It does this by computing the straight line flying distance ("as the crow flies"). It uses the great circle formula to compute the total travel mileage.

Key West International Airport

IATA: EYW
ICAO: KEYW
FAA: EYW
City: Key West
State: Florida
Zip code: 33040
Country: United States
Category: airports

Louis Armstrong New Orleans International Airport

IATA: MSY
ICAO: KMSY
FAA: MSY
City: New Orleans
State: Louisiana
Zip code: 70141
Country: United States
Category: airports

Flight distance calculator

Travelmath provides an online flight distance calculator to get the distance between cities. You can also compare all types of locations including airports, cities, states, countries, or zip codes to find the distance between any two points. The database uses the latitude and longitude of each location to calculate distance using the great circle distance formula. The calculation is done using the Vincenty algorithm and the WGS84 ellipsoid model of the Earth, which is the same one used by most GPS receivers. This gives you the flying distance "as the crow flies." Find your flight distances quickly to estimate the number of frequent flyer miles you'll accumulate. Or ask how far is it between cities to solve your homework problems. You can lookup U.S. cities, or expand your search to get the world distance for international trips.