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

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

Driving distance from Dubuque (DBQ) to Chicago (ORD) is 173 miles / 279 kilometers and travel time by car is about 3 hours 27 minutes.

## Map of flight path and driving directions from Dubuque to Chicago.

Shortest flight path between Dubuque Regional Airport (DBQ) and Chicago O'Hare International Airport (ORD).

## How far is Chicago from Dubuque?

There are several ways to calculate distances between Dubuque and Chicago. 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 Dubuque Regional Airport
City: Dubuque, IA
Country: United States
IATA Code: DBQ
ICAO Code: KDBQ
Coordinates: 42°24′7″N, 90°42′34″W

B 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

## Time difference and current local times

There is no time difference between Dubuque and Chicago.

CDT

CDT

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 47 kg (103 pounds).

## Frequent Flyer Miles Calculator

Dubuque (DBQ) → Chicago (ORD).

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

### In total

Total frequent flyer miles:
147

Round trip?