How far is Rockford, IL, from Chicago, IL?
The distance between Chicago (Chicago O'Hare International Airport) and Rockford (Chicago Rockford International Airport) is 63 miles / 102 kilometers / 55 nautical miles.
The driving distance from Chicago (ORD) to Rockford (RFD) is 74 miles / 119 kilometers, and travel time by car is about 1 hour 26 minutes.
Chicago O'Hare International Airport – Chicago Rockford International Airport
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Distance from Chicago to Rockford
There are several ways to calculate the distance from Chicago to Rockford. Here are two standard 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 planet.
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).
How long does it take to fly from Chicago to Rockford?
The estimated flight time from Chicago O'Hare International Airport to Chicago Rockford International Airport is 37 minutes.
What is the time difference between Chicago and Rockford?
Flight carbon footprint between Chicago O'Hare International Airport (ORD) and Chicago Rockford International Airport (RFD)
On average, flying from Chicago to Rockford generates about 34 kg of CO2 per passenger, and 34 kilograms equals 76 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Chicago to Rockford
See the map of the shortest flight path between Chicago O'Hare International Airport (ORD) and Chicago Rockford International Airport (RFD).
Airport information
| Origin | Chicago O'Hare International Airport |
|---|---|
| City: | Chicago, IL |
| Country: | United States  |
| IATA Code: | ORD |
| ICAO Code: | KORD |
| Coordinates: | 41°58′42″N, 87°54′17″W |
| Destination | 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 |