How far is Chicago, IL, from Rock Springs, WY?
The distance between Rock Springs (Southwest Wyoming Regional Airport) and Chicago (Chicago O'Hare International Airport) is 1091 miles / 1755 kilometers / 948 nautical miles.
The driving distance from Rock Springs (RKS) to Chicago (ORD) is 1211 miles / 1949 kilometers, and travel time by car is about 21 hours 9 minutes.
Southwest Wyoming Regional Airport – Chicago O'Hare International Airport
Search flights
Distance from Rock Springs to Chicago
There are several ways to calculate the distance from Rock Springs to Chicago. Here are two standard methods:
Vincenty's formula (applied above)- 1090.524 miles
- 1755.028 kilometers
- 947.640 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- 1087.688 miles
- 1750.464 kilometers
- 945.175 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 Rock Springs to Chicago?
The estimated flight time from Southwest Wyoming Regional Airport to Chicago O'Hare International Airport is 2 hours and 33 minutes.
What is the time difference between Rock Springs and Chicago?
Flight carbon footprint between Southwest Wyoming Regional Airport (RKS) and Chicago O'Hare International Airport (ORD)
On average, flying from Rock Springs to Chicago generates about 156 kg of CO2 per passenger, and 156 kilograms equals 344 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Rock Springs to Chicago
See the map of the shortest flight path between Southwest Wyoming Regional Airport (RKS) and Chicago O'Hare International Airport (ORD).
Airport information
| Origin | 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 |
| Destination | Chicago O'Hare International Airport |
|---|---|
| City: | Chicago, IL |
| Country: | United States |
| IATA Code: | ORD |
| ICAO Code: | KORD |
| Coordinates: | 41°58′42″N, 87°54′17″W |