Air Miles Calculator logo

Distance between Casper, WY (CPR) and Rock Springs, WY (RKS)

Flight distance from Casper to Rock Springs (Casper–Natrona County International Airport – Southwest Wyoming Regional Airport) is 161 miles / 260 kilometers / 140 nautical miles. Estimated flight time is 48 minutes.

Driving distance from Casper (CPR) to Rock Springs (RKS) is 227 miles / 365 kilometers and travel time by car is about 4 hours 44 minutes.

Casper – Rock Springs

Distance arrow
161
Miles
Distance arrow
260
Kilometers
Distance arrow
140
Nautical miles

How far is Rock Springs from Casper?

There are several ways to calculate distances between Los Angeles and Chicago. Here are two common 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 earth.

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).

Flight Duration

Estimated flight time from Casper to Rock Springs is 48 minutes.

Time difference and current local times

There is no time difference between Casper and Rock Springs.

Casper time to Rock Springs time converter

Time in Casper: 00:00 ⇆ Time in Rock Springs: 00:00

Current local times

Casper, WY

 MDT

Rock Springs, WY

 MDT

Carbon dioxide emissions

On average flying from Casper to Rock Springs generates about 49 kg of CO2 per passenger, 49 kilograms is equal to 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 Casper to Rock Springs

Shortest flight path between Casper–Natrona County International Airport (CPR) and Southwest Wyoming Regional Airport (RKS).

Airport information

Origin 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
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