Distance between Chicago, IL (ORD) and Dubuque, IA (DBQ)
Distance from Chicago to Dubuque (O'Hare International Airport – Dubuque Regional Airport) is 147 miles / 236 kilometers / 128 nautical miles.
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Chicago - Dubuque
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).
Flight duration
Estimated flight time from O'Hare International Airport (ORD) to Dubuque Regional Airport (DBQ) is 46 minutes.
Time difference and current local times
There is no time difference between Chicago and Dubuque.
Time Difference
Chicago, IL
Dubuque, IA
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 45 kg (100 pounds).
Airport information
| A | O'Hare International Airport |
|---|---|
| City: | Chicago, IL |
| Country: | United States  |
| IATA Code: | ORD |
| ICAO Code: | KORD |
| Coordinates: | 41°58′42″N, 87°54′17″W |
| B | Dubuque Regional Airport |
|---|---|
| City: | Dubuque, IA |
| Country: | United States |
| IATA Code: | DBQ |
| ICAO Code: | KDBQ |
| Coordinates: | 42°24′7″N, 90°42′34″W |
Chicago to Dubuque flight path
Shortest flight path between O'Hare International Airport (ORD) and Dubuque Regional Airport (DBQ).
Frequent Flyer Miles Calculator
Chicago (ORD) → Dubuque (DBQ).
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