Air Miles Calculator logo

How far is Decatur, IL, from Alexandria, LA?

The distance between Alexandria (Alexandria International Airport) and Decatur (Decatur Airport) is 622 miles / 1001 kilometers / 540 nautical miles.

The driving distance from Alexandria (AEX) to Decatur (DEC) is 754 miles / 1213 kilometers, and travel time by car is about 14 hours 25 minutes.

Alexandria International Airport – Decatur Airport

Distance arrow
622
Miles
Distance arrow
1001
Kilometers
Distance arrow
540
Nautical miles

Search flights

Distance from Alexandria to Decatur

There are several ways to calculate the distance from Alexandria to Decatur. Here are two standard methods:

Vincenty's formula (applied above)
  • 621.960 miles
  • 1000.948 kilometers
  • 540.469 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
  • 623.018 miles
  • 1002.651 kilometers
  • 541.388 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 Alexandria to Decatur?

The estimated flight time from Alexandria International Airport to Decatur Airport is 1 hour and 40 minutes.

What is the time difference between Alexandria and Decatur?

There is no time difference between Alexandria and Decatur.

Flight carbon footprint between Alexandria International Airport (AEX) and Decatur Airport (DEC)

On average, flying from Alexandria to Decatur generates about 115 kg of CO2 per passenger, and 115 kilograms equals 255 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Alexandria to Decatur

See the map of the shortest flight path between Alexandria International Airport (AEX) and Decatur Airport (DEC).

Airport information

Origin Alexandria International Airport
City: Alexandria, LA
Country: United States Flag of United States
IATA Code: AEX
ICAO Code: KAEX
Coordinates: 31°19′38″N, 92°32′59″W
Destination Decatur Airport
City: Decatur, IL
Country: United States Flag of United States
IATA Code: DEC
ICAO Code: KDEC
Coordinates: 39°50′4″N, 88°51′56″W