# 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
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
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.

CDT

MDT

## 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?