How far is Rock Springs, WY, from Rockford, IL?
The distance between Rockford (Chicago Rockford International Airport) and Rock Springs (Southwest Wyoming Regional Airport) is 1028 miles / 1655 kilometers / 893 nautical miles.
The driving distance from Rockford (RFD) to Rock Springs (RKS) is 1158 miles / 1863 kilometers, and travel time by car is about 20 hours 11 minutes.
Chicago Rockford International Airport – Southwest Wyoming Regional Airport
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Distance from Rockford to Rock Springs
There are several ways to calculate the distance from Rockford to Rock Springs. Here are two standard methods:
Vincenty's formula (applied above)- 1028.139 miles
- 1654.630 kilometers
- 893.429 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- 1025.462 miles
- 1650.322 kilometers
- 891.103 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 Rock Springs?
The estimated flight time from Chicago Rockford International Airport to Southwest Wyoming Regional Airport is 2 hours and 26 minutes.
What is the time difference between Rockford and Rock Springs?
Flight carbon footprint between Chicago Rockford International Airport (RFD) and Southwest Wyoming Regional Airport (RKS)
On average, flying from Rockford to Rock Springs generates about 153 kg of CO2 per passenger, and 153 kilograms equals 336 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 Rock Springs
See the map of the shortest flight path between Chicago Rockford International Airport (RFD) and Southwest Wyoming Regional Airport (RKS).
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 | Southwest Wyoming Regional Airport |
|---|---|
| City: | Rock Springs, WY |
| Country: | United States |
| IATA Code: | RKS |
| ICAO Code: | KRKS |
| Coordinates: | 41°35′39″N, 109°3′54″W |