# Distance between South Bend, IN (SBN) and Watertown, SD (ATY)

Flight distance from South Bend to Watertown (South Bend International Airport – Watertown Regional Airport) is 589 miles / 948 kilometers / 512 nautical miles. Estimated flight time is 1 hour 36 minutes.

Driving distance from South Bend (SBN) to Watertown (ATY) is 762 miles / 1226 kilometers and travel time by car is about 13 hours 3 minutes.

## Map of flight path and driving directions from South Bend to Watertown.

Shortest flight path between South Bend International Airport (SBN) and Watertown Regional Airport (ATY).

## How far is Watertown from South Bend?

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

Vincenty's formula (applied above)
• 588.832 miles
• 947.633 kilometers
• 511.681 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
• 587.543 miles
• 945.559 kilometers
• 510.561 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 South Bend International Airport
City: South Bend, IN
Country: United States
IATA Code: SBN
ICAO Code: KSBN
Coordinates: 41°42′31″N, 86°19′2″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

The time difference between South Bend and Watertown is 1 hour. Watertown is 1 hour behind South Bend.

EDT

CDT

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 111 kg (245 pounds).

## Frequent Flyer Miles Calculator

South Bend (SBN) → Watertown (ATY).

Distance:
589
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
589

Round trip?