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How far is Rock Springs, WY, from St George, UT?

The distance between St George (St. George Municipal Airport) and Rock Springs (Southwest Wyoming Regional Airport) is 394 miles / 635 kilometers / 343 nautical miles.

The driving distance from St George (SGU) to Rock Springs (RKS) is 475 miles / 765 kilometers, and travel time by car is about 8 hours 12 minutes.

St. George Municipal Airport – Southwest Wyoming Regional Airport

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394
Miles
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635
Kilometers
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343
Nautical miles

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Distance from St George to Rock Springs

There are several ways to calculate the distance from St George to Rock Springs. Here are two standard 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 planet.

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).

How long does it take to fly from St George to Rock Springs?

The estimated flight time from St. George Municipal Airport to Southwest Wyoming Regional Airport is 1 hour and 14 minutes.

What is the time difference between St George and Rock Springs?

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

Flight carbon footprint between St. George Municipal Airport (SGU) and Southwest Wyoming Regional Airport (RKS)

On average, flying from St George to Rock Springs generates about 83 kg of CO2 per passenger, and 83 kilograms equals 183 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

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

See the map of the shortest flight path between St. George Municipal Airport (SGU) and Southwest Wyoming Regional Airport (RKS).

Airport information

Origin 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
Destination 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