# Distance between Des Moines, IA (DSM) and Westerly, RI (WST)

Flight distance from Des Moines to Westerly (Des Moines International Airport – Westerly State Airport) is 1132 miles / 1822 kilometers / 984 nautical miles. Estimated flight time is 2 hours 38 minutes.

Driving distance from Des Moines (DSM) to Westerly (WST) is 1248 miles / 2009 kilometers and travel time by car is about 22 hours 9 minutes.

## Map of flight path and driving directions from Des Moines to Westerly.

Shortest flight path between Des Moines International Airport (DSM) and Westerly State Airport (WST).

## How far is Westerly from Des Moines?

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

Vincenty's formula (applied above)
• 1132.174 miles
• 1822.057 kilometers
• 983.832 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
• 1129.250 miles
• 1817.351 kilometers
• 981.291 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 Westerly State Airport
City: Westerly, RI
Country: United States
IATA Code: WST
ICAO Code: KWST
Coordinates: 41°20′58″N, 71°48′12″W

## Time difference and current local times

The time difference between Des Moines and Westerly is 1 hour. Westerly is 1 hour ahead of Des Moines.

CDT

EDT

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 158 kg (349 pounds).

## Frequent Flyer Miles Calculator

Des Moines (DSM) → Westerly (WST).

Distance:
1132
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
1132

Round trip?