# Distance between Des Moines, IA (DSM) and Watertown, SD (ATY)

Flight distance from Des Moines to Watertown (Des Moines International Airport – Watertown Regional Airport) is 292 miles / 471 kilometers / 254 nautical miles. Estimated flight time is 1 hour 3 minutes.

Driving distance from Des Moines (DSM) to Watertown (ATY) is 388 miles / 625 kilometers and travel time by car is about 6 hours 23 minutes.

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

Shortest flight path between Des Moines International Airport (DSM) and Watertown Regional Airport (ATY).

## How far is Watertown from Des Moines?

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

Vincenty's formula (applied above)
• 292.361 miles
• 470.510 kilometers
• 254.055 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
• 292.241 miles
• 470.316 kilometers
• 253.950 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 Watertown Regional Airport
City: Watertown, SD
Country: United States
IATA Code: ATY
ICAO Code: KATY
Coordinates: 44°54′50″N, 97°9′16″W

## Time difference and current local times

There is no time difference between Des Moines and Watertown.

CDT

CDT

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 68 kg (150 pounds).

## Frequent Flyer Miles Calculator

Des Moines (DSM) → Watertown (ATY).

Distance:
292
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
292

Round trip?