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How far is Casper, WY, from Rock Springs, WY?

The distance between Rock Springs (Southwest Wyoming Regional Airport) and Casper (Casper–Natrona County International Airport) is 161 miles / 260 kilometers / 140 nautical miles.

The driving distance from Rock Springs (RKS) to Casper (CPR) is 227 miles / 365 kilometers, and travel time by car is about 4 hours 45 minutes.

Southwest Wyoming Regional Airport – Casper–Natrona County International Airport

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161
Miles
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260
Kilometers
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140
Nautical miles

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Distance from Rock Springs to Casper

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

Vincenty's formula (applied above)
  • 161.269 miles
  • 259.537 kilometers
  • 140.139 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
  • 161.032 miles
  • 259.156 kilometers
  • 139.933 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 Rock Springs to Casper?

The estimated flight time from Southwest Wyoming Regional Airport to Casper–Natrona County International Airport is 48 minutes.

What is the time difference between Rock Springs and Casper?

There is no time difference between Rock Springs and Casper.

Flight carbon footprint between Southwest Wyoming Regional Airport (RKS) and Casper–Natrona County International Airport (CPR)

On average, flying from Rock Springs to Casper generates about 49 kg of CO2 per passenger, and 49 kilograms equals 107 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Rock Springs to Casper

See the map of the shortest flight path between Southwest Wyoming Regional Airport (RKS) and Casper–Natrona County International Airport (CPR).

Airport information

Origin 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
Destination Casper–Natrona County International Airport
City: Casper, WY
Country: United States Flag of United States
IATA Code: CPR
ICAO Code: KCPR
Coordinates: 42°54′28″N, 106°27′50″W