Air Miles Calculator

Distance between Chicago, IL (ORD) and Dubuque, IA (DBQ)

Flight distance from Chicago to Dubuque (Chicago O'Hare International Airport – Dubuque Regional Airport) is 147 miles / 236 kilometers / 128 nautical miles. Estimated flight time is 46 minutes.

Driving distance from Chicago (ORD) to Dubuque (DBQ) is 173 miles / 278 kilometers and travel time by car is about 3 hours 30 minutes.

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).

Airport information


A 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

B Dubuque Regional Airport
City: Dubuque, IA
Country: United States Flag of United States
IATA Code: DBQ
ICAO Code: KDBQ
Coordinates: 42°24′7″N, 90°42′34″W

Time difference and current local times

There is no time difference between Chicago and Dubuque.

Time Difference

Chicago, IL

 CDT

Dubuque, IA

 CDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 45 kg (100 pounds).

Frequent Flyer Miles Calculator

Chicago (ORD) → Dubuque (DBQ).

Distance:
147
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
147

Round trip?