How far is Chicago, IL, from Rockford, IL?
The distance between Rockford (Chicago Rockford International Airport) and Chicago (Chicago O'Hare International Airport) is 63 miles / 102 kilometers / 55 nautical miles.
The driving distance from Rockford (RFD) to Chicago (ORD) is 71 miles / 115 kilometers, and travel time by car is about 1 hour 25 minutes.
Chicago Rockford International Airport – Chicago O'Hare International Airport
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Distance from Rockford to Chicago
There are several ways to calculate the distance from Rockford to Chicago. 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 Rockford to Chicago?
The estimated flight time from Chicago Rockford International Airport to Chicago O'Hare International Airport is 37 minutes.
What is the time difference between Rockford and Chicago?
Flight carbon footprint between Chicago Rockford International Airport (RFD) and Chicago O'Hare International Airport (ORD)
On average, flying from Rockford to Chicago 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 Rockford to Chicago
See the map of the shortest flight path between Chicago Rockford International Airport (RFD) and Chicago O'Hare International Airport (ORD).
Airport information
| Origin | 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 |
| Destination | 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 |