How far is Pierre, SD, from Rockford, IL?
The distance between Rockford (Chicago Rockford International Airport) and Pierre (Pierre Regional Airport) is 584 miles / 939 kilometers / 507 nautical miles.
The driving distance from Rockford (RFD) to Pierre (PIR) is 729 miles / 1173 kilometers, and travel time by car is about 13 hours 8 minutes.
Chicago Rockford International Airport – Pierre Regional Airport
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Distance from Rockford to Pierre
There are several ways to calculate the distance from Rockford to Pierre. Here are two standard methods:
Vincenty's formula (applied above)- 583.566 miles
- 939.159 kilometers
- 507.105 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- 582.136 miles
- 936.856 kilometers
- 505.862 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 Pierre?
The estimated flight time from Chicago Rockford International Airport to Pierre Regional Airport is 1 hour and 36 minutes.
What is the time difference between Rockford and Pierre?
Flight carbon footprint between Chicago Rockford International Airport (RFD) and Pierre Regional Airport (PIR)
On average, flying from Rockford to Pierre generates about 111 kg of CO2 per passenger, and 111 kilograms equals 244 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 Pierre
See the map of the shortest flight path between Chicago Rockford International Airport (RFD) and Pierre Regional Airport (PIR).
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 | Pierre Regional Airport |
|---|---|
| City: | Pierre, SD |
| Country: | United States |
| IATA Code: | PIR |
| ICAO Code: | KPIR |
| Coordinates: | 44°22′57″N, 100°17′9″W |