How far is Chicago from Duluth?
There are several ways to calculate distances between Duluth and Chicago. Here are two common methods:Vincenty's formula (applied above)
- 397.127 miles
- 639.113 kilometers
- 345.094 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
- 397.006 miles
- 638.920 kilometers
- 344.989 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).
Estimated flight time from Duluth International Airport (DLH) to O'Hare International Airport (ORD) is 1 hour 15 minutes.
Time difference and current local times
There is no time difference between Duluth and Chicago.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 83 kg (183 pounds).
Duluth to Chicago flight map.
Frequent Flyer Miles Calculator
Duluth (DLH) → Chicago (ORD).