Air Miles Calculator logo

How far is Peoria, IL, from Rockford, IL?

The distance between Rockford (Chicago Rockford International Airport) and Peoria (General Wayne A. Downing Peoria International Airport) is 110 miles / 177 kilometers / 96 nautical miles.

The driving distance from Rockford (RFD) to Peoria (PIA) is 144 miles / 232 kilometers, and travel time by car is about 2 hours 48 minutes.

Chicago Rockford International Airport – General Wayne A. Downing Peoria International Airport

Distance arrow
110
Miles
Distance arrow
177
Kilometers
Distance arrow
96
Nautical miles

Search flights

Distance from Rockford to Peoria

There are several ways to calculate the distance from Rockford to Peoria. 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 Rockford to Peoria?

The estimated flight time from Chicago Rockford International Airport to General Wayne A. Downing Peoria International Airport is 42 minutes.

What is the time difference between Rockford and Peoria?

There is no time difference between Rockford and Peoria.

Flight carbon footprint between Chicago Rockford International Airport (RFD) and General Wayne A. Downing Peoria International Airport (PIA)

On average, flying from Rockford to Peoria 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 Rockford to Peoria

See the map of the shortest flight path between Chicago Rockford International Airport (RFD) and General Wayne A. Downing Peoria International Airport (PIA).

Airport information

Origin 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
Destination General Wayne A. Downing Peoria International Airport
City: Peoria, IL
Country: United States Flag of United States
IATA Code: PIA
ICAO Code: KPIA
Coordinates: 40°39′51″N, 89°41′35″W