# 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 31 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
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

## Time difference and current local times

There is no time difference between Chicago and Dubuque.

CDT

CDT

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 47 kg (103 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?