Air Miles Calculator

Distance between Des Moines, IA (DSM) and Rapid City, SD (RAP)

Flight distance from Des Moines to Rapid City (Des Moines International Airport – Rapid City Regional Airport) is 508 miles / 817 kilometers / 441 nautical miles. Estimated flight time is 1 hour 27 minutes.

Driving distance from Des Moines (DSM) to Rapid City (RAP) is 628 miles / 1011 kilometers and travel time by car is about 10 hours 1 minutes.

Map of flight path and driving directions from Des Moines to Rapid City.

Shortest flight path between Des Moines International Airport (DSM) and Rapid City Regional Airport (RAP).

How far is Rapid City from Des Moines?

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

Vincenty's formula (applied above)
  • 507.709 miles
  • 817.079 kilometers
  • 441.187 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
  • 506.572 miles
  • 815.249 kilometers
  • 440.199 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 Des Moines International Airport
City: Des Moines, IA
Country: United States Flag of United States
IATA Code: DSM
ICAO Code: KDSM
Coordinates: 41°32′2″N, 93°39′47″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

The time difference between Des Moines and Rapid City is 1 hour. Rapid City is 1 hour behind Des Moines.

Time Difference

Des Moines, IA

 CST

Rapid City, SD

 MST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 100 kg (220 pounds).

Frequent Flyer Miles Calculator

Des Moines (DSM) → Rapid City (RAP).

Distance:
508
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
508

Round trip?