How far is Sioux City, IA, from Rockford, IL?
The distance between Rockford (Chicago Rockford International Airport) and Sioux City (Sioux Gateway Airport) is 374 miles / 601 kilometers / 325 nautical miles.
The driving distance from Rockford (RFD) to Sioux City (SUX) is 398 miles / 640 kilometers, and travel time by car is about 8 hours 3 minutes.
Chicago Rockford International Airport – Sioux Gateway Airport
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Distance from Rockford to Sioux City
There are several ways to calculate the distance from Rockford to Sioux City. Here are two standard methods:
Vincenty's formula (applied above)- 373.551 miles
- 601.172 kilometers
- 324.607 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- 372.569 miles
- 599.592 kilometers
- 323.754 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 Sioux City?
The estimated flight time from Chicago Rockford International Airport to Sioux Gateway Airport is 1 hour and 12 minutes.
What is the time difference between Rockford and Sioux City?
There is no time difference between Rockford and Sioux City.
Flight carbon footprint between Chicago Rockford International Airport (RFD) and Sioux Gateway Airport (SUX)
On average, flying from Rockford to Sioux City generates about 80 kg of CO2 per passenger, and 80 kilograms equals 176 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 Sioux City
See the map of the shortest flight path between Chicago Rockford International Airport (RFD) and Sioux Gateway Airport (SUX).
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 | Sioux Gateway Airport |
|---|---|
| City: | Sioux City, IA |
| Country: | United States |
| IATA Code: | SUX |
| ICAO Code: | KSUX |
| Coordinates: | 42°24′9″N, 96°23′3″W |