Air Miles Calculator

Distance between Rock Springs, WY (RKS) and Rapid City, SD (RAP)

Flight distance from Rock Springs to Rapid City (Southwest Wyoming Regional Airport – Rapid City Regional Airport) is 349 miles / 562 kilometers / 303 nautical miles. Estimated flight time is 1 hour 9 minutes.

Driving distance from Rock Springs (RKS) to Rapid City (RAP) is 484 miles / 779 kilometers and travel time by car is about 8 hours 59 minutes.

Map of flight path and driving directions from Rock Springs to Rapid City.

Shortest flight path between Southwest Wyoming Regional Airport (RKS) and Rapid City Regional Airport (RAP).

How far is Rapid City from Rock Springs?

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

Vincenty's formula (applied above)
  • 348.916 miles
  • 561.526 kilometers
  • 303.200 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
  • 348.284 miles
  • 560.509 kilometers
  • 302.650 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).

Airport information


A 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

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

Time difference and current local times

There is no time difference between Rock Springs and Rapid City.

Time Difference

Rock Springs, WY

 MDT

Rapid City, SD

 MDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 76 kg (168 pounds).

Frequent Flyer Miles Calculator

Rock Springs (RKS) → Rapid City (RAP).

Distance:
349
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
349

Round trip?