How far is Rockford, IL, from Sioux Falls, SD?
The distance between Sioux Falls (Sioux Falls Regional Airport) and Rockford (Chicago Rockford International Airport) is 400 miles / 643 kilometers / 347 nautical miles.
The driving distance from Sioux Falls (FSD) to Rockford (RFD) is 506 miles / 815 kilometers, and travel time by car is about 9 hours 8 minutes.
Sioux Falls Regional Airport – Chicago Rockford International Airport
Search flights
Distance from Sioux Falls to Rockford
There are several ways to calculate the distance from Sioux Falls to Rockford. Here are two standard methods:
Vincenty's formula (applied above)- 399.502 miles
- 642.936 kilometers
- 347.158 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- 398.519 miles
- 641.354 kilometers
- 346.304 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 Sioux Falls to Rockford?
The estimated flight time from Sioux Falls Regional Airport to Chicago Rockford International Airport is 1 hour and 15 minutes.
What is the time difference between Sioux Falls and Rockford?
There is no time difference between Sioux Falls and Rockford.
Flight carbon footprint between Sioux Falls Regional Airport (FSD) and Chicago Rockford International Airport (RFD)
On average, flying from Sioux Falls to Rockford generates about 84 kg of CO2 per passenger, and 84 kilograms equals 185 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Sioux Falls to Rockford
See the map of the shortest flight path between Sioux Falls Regional Airport (FSD) and Chicago Rockford International Airport (RFD).
Airport information
| Origin | Sioux Falls Regional Airport |
|---|---|
| City: | Sioux Falls, SD |
| Country: | United States  |
| IATA Code: | FSD |
| ICAO Code: | KFSD |
| Coordinates: | 43°34′55″N, 96°44′30″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 |