Air Miles Calculator

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

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

Driving distance from Louisville (SDF) to Washington D.C. (IAD) is 568 miles / 914 kilometers and travel time by car is about 10 hours 20 minutes.

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

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

How far is Washington D.C. from Louisville?

There are several ways to calculate distances between Louisville and Washington D.C.. 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 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 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

Time difference and current local times

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

Time Difference

Louisville, KY

 EDT

Washington D.C.

 EDT

Carbon dioxide emissions

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

Frequent Flyer Miles Calculator

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

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

In total

Total frequent flyer miles:
451

Round trip?