Air Miles Calculator

Distance between Washington D.C. (IAD) and Louisville, KY (SDF)

Flight distance from Washington D.C. to Louisville (Washington Dulles International Airport – Louisville International Airport) is 451 miles / 726 kilometers / 392 nautical miles. Estimated flight time is 1 hour 21 minutes.

Driving distance from Washington D.C. (IAD) to Louisville (SDF) is 566 miles / 911 kilometers and travel time by car is about 10 hours 15 minutes.

Map of flight path and driving directions from Washington D.C. to Louisville.

Shortest flight path between Washington Dulles International Airport (IAD) and Louisville International Airport (SDF).

How far is Louisville from Washington D.C.?

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

Vincenty's formula (applied above)
  • 451.425 miles
  • 726.497 kilometers
  • 392.277 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
  • 450.359 miles
  • 724.783 kilometers
  • 391.351 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 Washington Dulles International Airport
City: Washington D.C.
Country: United States Flag of United States
IATA Code: IAD
ICAO Code: KIAD
Coordinates: 38°56′40″N, 77°27′20″W

B 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

Time difference and current local times

There is no time difference between Washington D.C. and Louisville.

Time Difference

Washington D.C.

 EST

Louisville, KY

 EST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 91 kg (202 pounds).

Frequent Flyer Miles Calculator

Washington D.C. (IAD) → Louisville (SDF).

Distance:
451
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
451

Round trip?