Map of flight path and driving directions from Chicago to Dubuque.
Shortest flight path between Chicago O'Hare International Airport (ORD) and Dubuque Regional Airport (DBQ).
How far is Dubuque from Chicago?
There are several ways to calculate distances between Chicago and Dubuque. Here are two common methods:Vincenty's formula (applied above)
- 146.887 miles
- 236.391 kilometers
- 127.641 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
- 146.522 miles
- 235.805 kilometers
- 127.325 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 Dubuque.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 45 kg (100 pounds).
Frequent Flyer Miles Calculator
Chicago (ORD) → Dubuque (DBQ).