Air Miles Calculator

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

Distance from Chicago to Rockford (O'Hare International Airport – Chicago Rockford International Airport) is 63 miles / 102 kilometers / 55 nautical miles.

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)
  • 63.101 miles
  • 101.552 kilometers
  • 54.834 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
  • 62.949 miles
  • 101.307 kilometers
  • 54.701 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).

Flight duration

Estimated flight time from O'Hare International Airport (ORD) to Chicago Rockford International Airport (RFD) is 37 minutes.

Time difference and current local times

There is no time difference between Chicago and Rockford.

Time Difference

Chicago
Rockford

Chicago, IL

 CST

Rockford, IL

 CST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 27 kg (59 pounds).

Airport information


A O'Hare International Airport
City: Chicago, IL
Country: United States Flag of United States
IATA Code: ORD
ICAO Code: KORD
Coordinates: 41°58′42″N, 87°54′17″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

Map

Chicago to Rockford flight map.

Frequent Flyer Miles Calculator

Chicago (ORD) → Rockford (RFD).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
63
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
63

Round trip?