Distance between Chicago, IL (ORD) and Rock Springs, WY (RKS)
Distance from Chicago to Rock Springs (O'Hare International Airport – Southwest Wyoming Regional Airport) is 1091 miles / 1755 kilometers / 948 nautical miles.
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Chicago - Rock Springs
How far is Rock Springs from Chicago?
There are several ways to calculate distances between Chicago and Rock Springs. Here are two common 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 earth.
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).
Flight duration
Estimated flight time from O'Hare International Airport (ORD) to Southwest Wyoming Regional Airport (RKS) is 2 hours 33 minutes.
Time difference and current local times
The time difference between Chicago and Rock Springs is 1 hour. Rock Springs is 1 hour behind Chicago.
Time Difference
Chicago, IL
Rock Springs, WY
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 156 kg (344 pounds).
Airport information
| A | 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 |
| B | 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 |
Map
Chicago to Rock Springs flight map.
Frequent Flyer Miles Calculator
Chicago (ORD) → Rock Springs (RKS).
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