# 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
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
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.

PDT

MDT

## 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?