Map of flight path and driving directions from Chicago to Duluth.
Shortest flight path between Chicago Midway International Airport (MDW) and Duluth International Airport (DLH).
How far is Duluth from Chicago?
There are several ways to calculate distances between Chicago and Duluth. Here are two common methods:Vincenty's formula (applied above)
- 412.569 miles
- 663.965 kilometers
- 358.513 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
- 412.451 miles
- 663.776 kilometers
- 358.410 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).
Time difference and current local times
There is no time difference between Chicago and Duluth.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 86 kg (189 pounds).
Frequent Flyer Miles Calculator
Chicago (MDW) → Duluth (DLH).