How far is Rockford, IL, from Sioux City, IA?
The distance between Sioux City (Sioux Gateway Airport) and Rockford (Chicago Rockford International Airport) is 374 miles / 601 kilometers / 325 nautical miles.
The driving distance from Sioux City (SUX) to Rockford (RFD) is 398 miles / 640 kilometers, and travel time by car is about 7 hours 58 minutes.
Sioux Gateway Airport – Chicago Rockford International Airport
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Distance from Sioux City to Rockford
There are several ways to calculate the distance from Sioux City to Rockford. 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 Sioux City to Rockford?
The estimated flight time from Sioux Gateway Airport to Chicago Rockford International Airport is 1 hour and 12 minutes.
What is the time difference between Sioux City and Rockford?
There is no time difference between Sioux City and Rockford.
Flight carbon footprint between Sioux Gateway Airport (SUX) and Chicago Rockford International Airport (RFD)
On average, flying from Sioux City to Rockford 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 Sioux City to Rockford
See the map of the shortest flight path between Sioux Gateway Airport (SUX) and Chicago Rockford International Airport (RFD).
Airport information
| Origin | 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 |
| 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 |