How far is Rockford, IL, from St Louis, MO?
The distance between St Louis (St. Louis Lambert International Airport) and Rockford (Chicago Rockford International Airport) is 247 miles / 398 kilometers / 215 nautical miles.
The driving distance from St Louis (STL) to Rockford (RFD) is 302 miles / 486 kilometers, and travel time by car is about 5 hours 36 minutes.
St. Louis Lambert International Airport – Chicago Rockford International Airport
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Distance from St Louis to Rockford
There are several ways to calculate the distance from St Louis to Rockford. Here are two standard methods:
Vincenty's formula (applied above)- 247.088 miles
- 397.649 kilometers
- 214.713 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- 247.354 miles
- 398.077 kilometers
- 214.945 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 St Louis to Rockford?
The estimated flight time from St. Louis Lambert International Airport to Chicago Rockford International Airport is 58 minutes.
What is the time difference between St Louis and Rockford?
Flight carbon footprint between St. Louis Lambert International Airport (STL) and Chicago Rockford International Airport (RFD)
On average, flying from St Louis to Rockford generates about 61 kg of CO2 per passenger, and 61 kilograms equals 135 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from St Louis to Rockford
See the map of the shortest flight path between St. Louis Lambert International Airport (STL) and Chicago Rockford International Airport (RFD).
Airport information
| Origin | St. Louis Lambert International Airport |
|---|---|
| City: | St Louis, MO |
| Country: | United States  |
| IATA Code: | STL |
| ICAO Code: | KSTL |
| Coordinates: | 38°44′55″N, 90°22′12″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 |