# 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
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
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.

EDT

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?