How far is Rockford, IL, from Peoria, IL?
The distance between Peoria (General Wayne A. Downing Peoria International Airport) and Rockford (Chicago Rockford International Airport) is 110 miles / 177 kilometers / 96 nautical miles.
The driving distance from Peoria (PIA) to Rockford (RFD) is 147 miles / 236 kilometers, and travel time by car is about 2 hours 49 minutes.
General Wayne A. Downing Peoria International Airport – Chicago Rockford International Airport
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Distance from Peoria to Rockford
There are several ways to calculate the distance from Peoria to Rockford. Here are two standard methods:
Vincenty's formula (applied above)- 110.111 miles
- 177.206 kilometers
- 95.684 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- 110.210 miles
- 177.365 kilometers
- 95.770 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 Peoria to Rockford?
The estimated flight time from General Wayne A. Downing Peoria International Airport to Chicago Rockford International Airport is 42 minutes.
What is the time difference between Peoria and Rockford?
Flight carbon footprint between General Wayne A. Downing Peoria International Airport (PIA) and Chicago Rockford International Airport (RFD)
On average, flying from Peoria to Rockford generates about 41 kg of CO2 per passenger, and 41 kilograms equals 91 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Peoria to Rockford
See the map of the shortest flight path between General Wayne A. Downing Peoria International Airport (PIA) and Chicago Rockford International Airport (RFD).
Airport information
| Origin | General Wayne A. Downing Peoria International Airport |
|---|---|
| City: | Peoria, IL |
| Country: | United States  |
| IATA Code: | PIA |
| ICAO Code: | KPIA |
| Coordinates: | 40°39′51″N, 89°41′35″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 |