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How far is Decatur, IL, from Louisville, KY?

The distance between Louisville (Louisville International Airport) and Decatur (Decatur Airport) is 204 miles / 328 kilometers / 177 nautical miles.

The driving distance from Louisville (SDF) to Decatur (DEC) is 290 miles / 467 kilometers, and travel time by car is about 5 hours 31 minutes.

Louisville International Airport – Decatur Airport

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204
Miles
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328
Kilometers
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177
Nautical miles

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Distance from Louisville to Decatur

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

Vincenty's formula (applied above)
  • 203.674 miles
  • 327.781 kilometers
  • 176.988 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
  • 203.438 miles
  • 327.402 kilometers
  • 176.783 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 Louisville to Decatur?

The estimated flight time from Louisville International Airport to Decatur Airport is 53 minutes.

Flight carbon footprint between Louisville International Airport (SDF) and Decatur Airport (DEC)

On average, flying from Louisville to Decatur generates about 55 kg of CO2 per passenger, and 55 kilograms equals 121 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Louisville to Decatur

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

Airport information

Origin Louisville International Airport
City: Louisville, KY
Country: United States Flag of United States
IATA Code: SDF
ICAO Code: KSDF
Coordinates: 38°10′27″N, 85°44′9″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