Air Miles Calculator

Distance between Louisville, KY (SDF) and Duluth, MN (DLH)

Flight distance from Louisville to Duluth (Louisville International Airport – Duluth International Airport) is 683 miles / 1099 kilometers / 593 nautical miles. Estimated flight time is 1 hour 47 minutes.

Driving distance from Louisville (SDF) to Duluth (DLH) is 775 miles / 1247 kilometers and travel time by car is about 13 hours 49 minutes.

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

Shortest flight path between Louisville International Airport (SDF) and Duluth International Airport (DLH).

How far is Duluth from Louisville?

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

Vincenty's formula (applied above)
  • 682.577 miles
  • 1098.502 kilometers
  • 593.143 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
  • 682.688 miles
  • 1098.680 kilometers
  • 593.240 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 Duluth International Airport
City: Duluth, MN
Country: United States Flag of United States
IATA Code: DLH
ICAO Code: KDLH
Coordinates: 46°50′31″N, 92°11′36″W

Time difference and current local times

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

Time Difference

Louisville, KY

 EDT

Duluth, MN

 CDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 123 kg (270 pounds).

Frequent Flyer Miles Calculator

Louisville (SDF) → Duluth (DLH).

Distance:
683
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
683

Round trip?