How far is Springfield, IL, from Rockford, IL?
The distance between Rockford (Chicago Rockford International Airport) and Springfield (Springfield Abraham Lincoln Capital Airport) is 165 miles / 266 kilometers / 143 nautical miles.
The driving distance from Rockford (RFD) to Springfield (SPI) is 191 miles / 308 kilometers, and travel time by car is about 3 hours 36 minutes.
Chicago Rockford International Airport – Springfield Abraham Lincoln Capital Airport
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Distance from Rockford to Springfield
There are several ways to calculate the distance from Rockford to Springfield. Here are two standard methods:
Vincenty's formula (applied above)- 165.066 miles
- 265.649 kilometers
- 143.439 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- 165.254 miles
- 265.951 kilometers
- 143.602 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 Springfield?
The estimated flight time from Chicago Rockford International Airport to Springfield Abraham Lincoln Capital Airport is 48 minutes.
What is the time difference between Rockford and Springfield?
There is no time difference between Rockford and Springfield.
Flight carbon footprint between Chicago Rockford International Airport (RFD) and Springfield Abraham Lincoln Capital Airport (SPI)
On average, flying from Rockford to Springfield generates about 49 kg of CO2 per passenger, and 49 kilograms equals 109 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 Springfield
See the map of the shortest flight path between Chicago Rockford International Airport (RFD) and Springfield Abraham Lincoln Capital Airport (SPI).
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 | Springfield Abraham Lincoln Capital Airport |
|---|---|
| City: | Springfield, IL |
| Country: | United States |
| IATA Code: | SPI |
| ICAO Code: | KSPI |
| Coordinates: | 39°50′38″N, 89°40′40″W |