How far is Louisville, KY, from Decatur, IL?
The distance between Decatur (Decatur Airport) and Louisville (Louisville International Airport) is 204 miles / 328 kilometers / 177 nautical miles.
The driving distance from Decatur (DEC) to Louisville (SDF) is 291 miles / 468 kilometers, and travel time by car is about 5 hours 29 minutes.
Decatur Airport – Louisville International Airport
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Distance from Decatur to Louisville
There are several ways to calculate the distance from Decatur to Louisville. 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 Decatur to Louisville?
The estimated flight time from Decatur Airport to Louisville International Airport is 53 minutes.
What is the time difference between Decatur and Louisville?
The time difference between Decatur and Louisville is 1 hour. Louisville is 1 hour ahead of Decatur.
Flight carbon footprint between Decatur Airport (DEC) and Louisville International Airport (SDF)
On average, flying from Decatur to Louisville 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 Decatur to Louisville
See the map of the shortest flight path between Decatur Airport (DEC) and Louisville International Airport (SDF).
Airport information
| Origin | Decatur Airport |
|---|---|
| City: | Decatur, IL |
| Country: | United States  |
| IATA Code: | DEC |
| ICAO Code: | KDEC |
| Coordinates: | 39°50′4″N, 88°51′56″W |
| Destination | Louisville International Airport |
|---|---|
| City: | Louisville, KY |
| Country: | United States |
| IATA Code: | SDF |
| ICAO Code: | KSDF |
| Coordinates: | 38°10′27″N, 85°44′9″W |