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How far is Rock Springs, WY, from St Louis, MO?

The distance between St Louis (St. Louis Lambert International Airport) and Rock Springs (Southwest Wyoming Regional Airport) is 1007 miles / 1620 kilometers / 875 nautical miles.

The driving distance from St Louis (STL) to Rock Springs (RKS) is 1127 miles / 1813 kilometers, and travel time by car is about 19 hours 42 minutes.

St. Louis Lambert International Airport – Southwest Wyoming Regional Airport

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1007
Miles
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1620
Kilometers
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875
Nautical miles

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Distance from St Louis to Rock Springs

There are several ways to calculate the distance from St Louis to Rock Springs. Here are two standard methods:

Vincenty's formula (applied above)
  • 1006.668 miles
  • 1620.075 kilometers
  • 874.771 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
  • 1004.293 miles
  • 1616.252 kilometers
  • 872.706 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 Louis to Rock Springs?

The estimated flight time from St. Louis Lambert International Airport to Southwest Wyoming Regional Airport is 2 hours and 24 minutes.

Flight carbon footprint between St. Louis Lambert International Airport (STL) and Southwest Wyoming Regional Airport (RKS)

On average, flying from St Louis to Rock Springs generates about 151 kg of CO2 per passenger, and 151 kilograms equals 333 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 Louis to Rock Springs

See the map of the shortest flight path between St. Louis Lambert International Airport (STL) and Southwest Wyoming Regional Airport (RKS).

Airport information

Origin St. Louis Lambert International Airport
City: St Louis, MO
Country: United States Flag of United States
IATA Code: STL
ICAO Code: KSTL
Coordinates: 38°44′55″N, 90°22′12″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