Air Miles Calculator

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

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

Calculations with different 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).

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

 CDT

Rockford, IL

 CDT

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?