How far is Rock Springs, WY, from Champaign, IL?
The distance between Champaign (University of Illinois Willard Airport) and Rock Springs (Southwest Wyoming Regional Airport) is 1092 miles / 1758 kilometers / 949 nautical miles.
The driving distance from Champaign (CMI) to Rock Springs (RKS) is 1217 miles / 1959 kilometers, and travel time by car is about 21 hours 34 minutes.
University of Illinois Willard Airport – Southwest Wyoming Regional Airport
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Distance from Champaign to Rock Springs
There are several ways to calculate the distance from Champaign to Rock Springs. Here are two standard methods:
Vincenty's formula (applied above)- 1092.330 miles
- 1757.935 kilometers
- 949.209 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- 1089.589 miles
- 1753.524 kilometers
- 946.827 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 Champaign to Rock Springs?
The estimated flight time from University of Illinois Willard Airport to Southwest Wyoming Regional Airport is 2 hours and 34 minutes.
What is the time difference between Champaign and Rock Springs?
Flight carbon footprint between University of Illinois Willard Airport (CMI) and Southwest Wyoming Regional Airport (RKS)
On average, flying from Champaign to Rock Springs generates about 156 kg of CO2 per passenger, and 156 kilograms equals 345 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Champaign to Rock Springs
See the map of the shortest flight path between University of Illinois Willard Airport (CMI) and Southwest Wyoming Regional Airport (RKS).
Airport information
| Origin | University of Illinois Willard Airport |
|---|---|
| City: | Champaign, IL |
| Country: | United States  |
| IATA Code: | CMI |
| ICAO Code: | KCMI |
| Coordinates: | 40°2′21″N, 88°16′41″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 |