How far is Rapid City, SD, from Rockford, IL?
The distance between Rockford (Chicago Rockford International Airport) and Rapid City (Rapid City Regional Airport) is 716 miles / 1153 kilometers / 623 nautical miles.
The driving distance from Rockford (RFD) to Rapid City (RAP) is 846 miles / 1361 kilometers, and travel time by car is about 14 hours 47 minutes.
Chicago Rockford International Airport – Rapid City Regional Airport
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Distance from Rockford to Rapid City
There are several ways to calculate the distance from Rockford to Rapid City. Here are two standard methods:
Vincenty's formula (applied above)- 716.465 miles
- 1153.038 kilometers
- 622.591 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- 714.626 miles
- 1150.079 kilometers
- 620.993 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 Rapid City?
The estimated flight time from Chicago Rockford International Airport to Rapid City Regional Airport is 1 hour and 51 minutes.
What is the time difference between Rockford and Rapid City?
The time difference between Rockford and Rapid City is 1 hour. Rapid City is 1 hour behind Rockford.
Flight carbon footprint between Chicago Rockford International Airport (RFD) and Rapid City Regional Airport (RAP)
On average, flying from Rockford to Rapid City generates about 126 kg of CO2 per passenger, and 126 kilograms equals 279 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 Rapid City
See the map of the shortest flight path between Chicago Rockford International Airport (RFD) and Rapid City Regional Airport (RAP).
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 | Rapid City Regional Airport |
|---|---|
| City: | Rapid City, SD |
| Country: | United States |
| IATA Code: | RAP |
| ICAO Code: | KRAP |
| Coordinates: | 44°2′43″N, 103°3′25″W |