Air Miles Calculator

Distance between Chicago, IL (MDW) and Rockford, IL (RFD)

Flight distance from Chicago to Rockford (Chicago Midway International Airport – Chicago Rockford International Airport) is 75 miles / 120 kilometers / 65 nautical miles. Estimated flight time is 38 minutes.

Driving distance from Chicago (MDW) to Rockford (RFD) is 91 miles / 146 kilometers and travel time by car is about 1 hour 46 minutes.

Map of flight path and driving directions from Chicago to Rockford.

Shortest flight path between Chicago Midway International Airport (MDW) and Chicago Rockford International Airport (RFD).

How far is Rockford from Chicago?

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

Vincenty's formula (applied above)
  • 74.784 miles
  • 120.353 kilometers
  • 64.985 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
  • 74.628 miles
  • 120.102 kilometers
  • 64.850 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 Flag of United States
IATA Code: MDW
ICAO Code: KMDW
Coordinates: 41°47′9″N, 87°45′8″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 Chicago and Rockford.

Time Difference

Chicago, IL

 CDT

Rockford, IL

 CDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 36 kg (79 pounds).

Frequent Flyer Miles Calculator

Chicago (MDW) → Rockford (RFD).

Distance:
75
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
75

Round trip?