How far is St Louis, MO, from Rockford, IL?
The distance between Rockford (Chicago Rockford International Airport) and St Louis (St. Louis Lambert International Airport) is 247 miles / 398 kilometers / 215 nautical miles.
The driving distance from Rockford (RFD) to St Louis (STL) is 298 miles / 480 kilometers, and travel time by car is about 5 hours 32 minutes.
Chicago Rockford International Airport – St. Louis Lambert International Airport
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Distance from Rockford to St Louis
There are several ways to calculate the distance from Rockford to St Louis. 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 Rockford to St Louis?
The estimated flight time from Chicago Rockford International Airport to St. Louis Lambert International Airport is 58 minutes.
What is the time difference between Rockford and St Louis?
Flight carbon footprint between Chicago Rockford International Airport (RFD) and St. Louis Lambert International Airport (STL)
On average, flying from Rockford to St Louis 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 Rockford to St Louis
See the map of the shortest flight path between Chicago Rockford International Airport (RFD) and St. Louis Lambert International Airport (STL).
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 | 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 |