Distance between Chicago, IL (ORD) and Dubuque, IA (DBQ)
Distance from Chicago to Dubuque (Dubuque Regional Airport – O'Hare International Airport) is 147 miles / 236 kilometers / 128 nautical miles.
Calculations with different 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).
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
Dubuque
Chicago, IL
CDT
Dubuque, IA
CDT
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 |
Map
Chicago to Dubuque flight map.
Frequent Flyer Miles Calculator
Chicago (ORD) → Dubuque (DBQ).
Elite level bonus (%):
Booking class bonus (%):
Air miles:
147
Elite level bonus:
0
Booking class bonus:
0
In total
Total frequent flyer miles:
147
Round trip?