Air Miles Calculator

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 Flag of 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 Flag of 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.

Time Difference

Dubuque, IA

 CDT

Rockford, IL

 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?