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

Flight distance from Chicago to Dubuque (Chicago Midway International Airport – Dubuque Regional Airport) is 158 miles / 254 kilometers / 137 nautical miles. Estimated flight time is 47 minutes.

Driving distance from Chicago (MDW) to Dubuque (DBQ) is 203 miles / 327 kilometers and travel time by car is about 3 hours 54 minutes.

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

Shortest flight path between Chicago Midway International Airport (MDW) 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)
• 157.834 miles
• 254.010 kilometers
• 137.154 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
• 157.463 miles
• 253.412 kilometers
• 136.832 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 Midway International Airport
City: Chicago, IL
Country: United States
IATA Code: MDW
ICAO Code: KMDW
Coordinates: 41°47′9″N, 87°45′8″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 48 kg (106 pounds).

## Frequent Flyer Miles Calculator

Chicago (MDW) → Dubuque (DBQ).

Distance:
158
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
158

Round trip?