Air Miles Calculator

Distance between Casper, WY (CPR) and Rapid City, SD (RAP)

Distance from Casper to Rapid City (Casper–Natrona County International Airport – Rapid City Regional Airport) is 188 miles / 303 kilometers / 164 nautical miles.

How far is Rapid City from Casper?

There are several ways to calculate distances between Casper and Rapid City. Here are two common methods:

Vincenty's formula (applied above)
  • 188.400 miles
  • 303.200 kilometers
  • 163.715 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
  • 188.007 miles
  • 302.568 kilometers
  • 163.374 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–Natrona County International Airport (CPR) to Rapid City Regional Airport (RAP) is 51 minutes.

Time difference and current local times

There is no time difference between Casper and Rapid City.

Time Difference

Casper
Rapid City

Casper, WY

 MST

Rapid City, SD

 MST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 51 kg (112 pounds).

Airport information


A 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

B Rapid City Regional Airport
City: Rapid City, SD
Country: United States Flag of United States
IATA Code: RAP
ICAO Code: KRAP
Coordinates: 44°2′43″N, 103°3′25″W

Map

Casper to Rapid City flight map.

Frequent Flyer Miles Calculator

Casper (CPR) → Rapid City (RAP).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
188
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
188

Round trip?