Air Miles Calculator

Distance between Chicago, IL (ORD) and Watertown, SD (ATY)

Distance from Chicago to Watertown (Chicago O'Hare International Airport – Watertown Regional Airport) is 507 miles / 816 kilometers / 441 nautical miles.

How far is Watertown from Chicago?

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

Vincenty's formula (applied above)
  • 507.085 miles
  • 816.074 kilometers
  • 440.645 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
  • 506.003 miles
  • 814.333 kilometers
  • 439.705 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).

Flight duration

Estimated flight time from Chicago O'Hare International Airport (ORD) to Watertown Regional Airport (ATY) is 1 hour 27 minutes.

Time difference and current local times

There is no time difference between Chicago and Watertown.

Time Difference

Chicago
Watertown

Chicago, IL

 CDT

Watertown, SD

 CDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 100 kg (221 pounds).

Airport information


A Chicago O'Hare International Airport
City: Chicago, IL
Country: United States Flag of United States
IATA Code: ORD
ICAO Code: KORD
Coordinates: 41°58′42″N, 87°54′17″W

B Watertown Regional Airport
City: Watertown, SD
Country: United States Flag of United States
IATA Code: ATY
ICAO Code: KATY
Coordinates: 44°54′50″N, 97°9′16″W

Chicago to Watertown flight path

Shortest flight path between Chicago O'Hare International Airport (ORD) and Watertown Regional Airport (ATY).

Frequent Flyer Miles Calculator

Chicago (ORD) → Watertown (ATY).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
507
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
507

Round trip?