Air Miles Calculator

Distance between St George, UT (SGU) and Rock Springs, WY (RKS)

Flight distance from St George to Rock Springs (St. George Municipal Airport – Southwest Wyoming Regional Airport) is 394 miles / 635 kilometers / 343 nautical miles. Estimated flight time is 1 hour 14 minutes.

Driving distance from St George (SGU) to Rock Springs (RKS) is 475 miles / 765 kilometers and travel time by car is about 7 hours 39 minutes.

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

Shortest flight path between St. George Municipal Airport (SGU) and Southwest Wyoming Regional Airport (RKS).

How far is Rock Springs from St George?

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

Vincenty's formula (applied above)
  • 394.342 miles
  • 634.632 kilometers
  • 342.674 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
  • 394.381 miles
  • 634.695 kilometers
  • 342.708 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 St. George Municipal Airport
City: St George, UT
Country: United States Flag of United States
IATA Code: SGU
ICAO Code: KSGU
Coordinates: 37°2′11″N, 113°30′37″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

There is no time difference between St George and Rock Springs.

Time Difference

St George, UT

 MDT

Rock Springs, WY

 MDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 83 kg (183 pounds).

Frequent Flyer Miles Calculator

St George (SGU) → Rock Springs (RKS).

Distance:
394
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
394

Round trip?