Air Miles Calculator

Distance between Duluth, MN (DLH) and Chicago, IL (ORD)

Distance from Duluth to Chicago (Duluth International Airport – Chicago O'Hare International Airport) is 397 miles / 639 kilometers / 345 nautical miles.

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).

Flight duration

Estimated flight time from Duluth International Airport (DLH) to Chicago 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.

Time Difference

Duluth
Chicago

Duluth, MN

 CDT

Chicago, IL

 CDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 83 kg (183 pounds).

Airport information


A 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

B Chicago O'Hare International Airport
City: Chicago, IL
Country: United States Flag of United States
IATA Code: ORD
ICAO Code: KORD
Coordinates: 41°58′42″N, 87°54′17″W

Duluth to Chicago flight path

Shortest flight path between Duluth International Airport (DLH) and Chicago O'Hare International Airport (ORD).

Frequent Flyer Miles Calculator

Duluth (DLH) → Chicago (ORD).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
397
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
397

Round trip?