Air Miles Calculator

Distance between Spokane, WA (GEG) and Rock Springs, WY (RKS)

Flight distance from Spokane to Rock Springs (Spokane International Airport – Southwest Wyoming Regional Airport) is 589 miles / 948 kilometers / 512 nautical miles. Estimated flight time is 1 hour 36 minutes.

Driving distance from Spokane (GEG) to Rock Springs (RKS) is 772 miles / 1243 kilometers and travel time by car is about 13 hours 34 minutes.

Map of flight path and driving directions from Spokane to Rock Springs.

Shortest flight path between Spokane International Airport (GEG) and Southwest Wyoming Regional Airport (RKS).

How far is Rock Springs from Spokane?

There are several ways to calculate distances between Spokane and Rock Springs. Here are two common methods:

Vincenty's formula (applied above)
  • 588.932 miles
  • 947.793 kilometers
  • 511.767 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
  • 588.304 miles
  • 946.784 kilometers
  • 511.223 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).

Airport information


A Spokane International Airport
City: Spokane, WA
Country: United States Flag of United States
IATA Code: GEG
ICAO Code: KGEG
Coordinates: 47°37′11″N, 117°32′2″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

Time difference and current local times

The time difference between Spokane and Rock Springs is 1 hour. Rock Springs is 1 hour ahead of Spokane.

Time Difference

Spokane, WA

 PST

Rock Springs, WY

 MST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 111 kg (245 pounds).

Frequent Flyer Miles Calculator

Spokane (GEG) → Rock Springs (RKS).

Distance:
589
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
589

Round trip?