How far is Rapid City, SD, from Casper, WY?
The distance between Casper (Casper–Natrona County International Airport) and Rapid City (Rapid City Regional Airport) is 188 miles / 303 kilometers / 164 nautical miles.
The driving distance from Casper (CPR) to Rapid City (RAP) is 267 miles / 430 kilometers, and travel time by car is about 5 hours 13 minutes.
Casper–Natrona County International Airport – Rapid City Regional Airport
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Distance from Casper to Rapid City
There are several ways to calculate the distance from Casper to Rapid City. Here are two standard 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 planet.
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).
How long does it take to fly from Casper to Rapid City?
The estimated flight time from Casper–Natrona County International Airport to Rapid City Regional Airport is 51 minutes.
What is the time difference between Casper and Rapid City?
Flight carbon footprint between Casper–Natrona County International Airport (CPR) and Rapid City Regional Airport (RAP)
On average, flying from Casper to Rapid City generates about 53 kg of CO2 per passenger, and 53 kilograms equals 116 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 Rapid City
See the map of the shortest flight path between Casper–Natrona County International Airport (CPR) and Rapid City Regional Airport (RAP).
Airport information
| Origin | Casper–Natrona County International Airport |
|---|---|
| City: | Casper, WY |
| Country: | United States  |
| IATA Code: | CPR |
| ICAO Code: | KCPR |
| Coordinates: | 42°54′28″N, 106°27′50″W |
| Destination | Rapid City Regional Airport |
|---|---|
| City: | Rapid City, SD |
| Country: | United States |
| IATA Code: | RAP |
| ICAO Code: | KRAP |
| Coordinates: | 44°2′43″N, 103°3′25″W |