Air Miles Calculator

Distance between Louisville, KY (SDF) and Lafayette, LA (LFT)

Flight distance from Louisville to Lafayette (Louisville International Airport – Lafayette Regional Airport) is 655 miles / 1055 kilometers / 569 nautical miles. Estimated flight time is 1 hour 44 minutes.

Driving distance from Louisville (SDF) to Lafayette (LFT) is 809 miles / 1302 kilometers and travel time by car is about 13 hours 58 minutes.

Map of flight path and driving directions from Louisville to Lafayette.

Shortest flight path between Louisville International Airport (SDF) and Lafayette Regional Airport (LFT).

How far is Lafayette from Louisville?

There are several ways to calculate distances between Louisville and Lafayette. Here are two common methods:

Vincenty's formula (applied above)
  • 655.282 miles
  • 1054.574 kilometers
  • 569.424 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
  • 655.975 miles
  • 1055.689 kilometers
  • 570.027 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).

Airport information


A 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

B Lafayette Regional Airport
City: Lafayette, LA
Country: United States Flag of United States
IATA Code: LFT
ICAO Code: KLFT
Coordinates: 30°12′19″N, 91°59′15″W

Time difference and current local times

The time difference between Louisville and Lafayette is 1 hour. Lafayette is 1 hour behind Louisville.

Time Difference

Louisville, KY

 EDT

Lafayette, LA

 CDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 119 kg (263 pounds).

Frequent Flyer Miles Calculator

Louisville (SDF) → Lafayette (LFT).

Distance:
655
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
655

Round trip?