Air Miles Calculator

Distance between St Louis, MO (STL) and Duluth, MN (DLH)

Flight distance from St Louis to Duluth (St. Louis Lambert International Airport – Duluth International Airport) is 566 miles / 911 kilometers / 492 nautical miles. Estimated flight time is 1 hour 34 minutes.

Driving distance from St Louis (STL) to Duluth (DLH) is 697 miles / 1121 kilometers and travel time by car is about 12 hours 19 minutes.

Map of flight path and driving directions from St Louis to Duluth.

Shortest flight path between St. Louis Lambert International Airport (STL) and Duluth International Airport (DLH).

How far is Duluth from St Louis?

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

Vincenty's formula (applied above)
  • 566.260 miles
  • 911.308 kilometers
  • 492.067 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
  • 566.747 miles
  • 912.091 kilometers
  • 492.490 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 St. Louis Lambert International Airport
City: St Louis, MO
Country: United States Flag of United States
IATA Code: STL
ICAO Code: KSTL
Coordinates: 38°44′55″N, 90°22′12″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

There is no time difference between St Louis and Duluth.

Time Difference

St Louis, MO

 CDT

Duluth, MN

 CDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 108 kg (239 pounds).

Frequent Flyer Miles Calculator

St Louis (STL) → Duluth (DLH).

Distance:
566
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
566

Round trip?