# Distance between Dubuque, IA (DBQ) and Rockford, IL (RFD)

Flight distance from Dubuque to Rockford (Dubuque Regional Airport – Chicago Rockford International Airport) is 84 miles / 135 kilometers / 73 nautical miles. Estimated flight time is 39 minutes.

Driving distance from Dubuque (DBQ) to Rockford (RFD) is 103 miles / 166 kilometers and travel time by car is about 2 hours 15 minutes.

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

Shortest flight path between Dubuque Regional Airport (DBQ) and Chicago Rockford International Airport (RFD).

## How far is Rockford from Dubuque?

There are several ways to calculate distances between Dubuque and Rockford. Here are two common methods:

Vincenty's formula (applied above)
• 83.834 miles
• 134.918 kilometers
• 72.850 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
• 83.622 miles
• 134.577 kilometers
• 72.666 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 Rockford International Airport
City: Rockford, IL
Country: United States
IATA Code: RFD
ICAO Code: KRFD
Coordinates: 42°11′43″N, 89°5′49″W

## Time difference and current local times

There is no time difference between Dubuque and Rockford.

CDT

CDT

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 37 kg (82 pounds).

## Frequent Flyer Miles Calculator

Dubuque (DBQ) → Rockford (RFD).

Distance:
84
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
84

Round trip?