Map of flight path and driving directions from Louisville to Decatur.
Shortest flight path between Louisville International Airport (SDF) and Decatur Airport (DEC).
How far is Decatur from Louisville?
There are several ways to calculate distances between Louisville and Decatur. Here are two common 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 earth.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).
Time difference and current local times
The time difference between Louisville and Decatur is 1 hour. Decatur is 1 hour behind Louisville.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 55 kg (121 pounds).
Frequent Flyer Miles Calculator
Louisville (SDF) → Decatur (DEC).