Air Miles Calculator

Distance between Chicago, IL (ORD) and Rock Springs, WY (RKS)

Distance from Chicago to Rock Springs (Southwest Wyoming Regional Airport – O'Hare International Airport) is 1091 miles / 1755 kilometers / 948 nautical miles.

Calculations with different 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).

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
Rock Springs

Chicago, IL

 CDT

Rock Springs, WY

 MDT

Airport information


A O'Hare International Airport
City: Chicago, IL
Country: United States Flag of 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 Flag of 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).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
1091
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1091

Round trip?