Air Miles Calculator

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

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

Calculations with different 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).

Flight duration

Estimated flight time from 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

 CST

Watertown, SD

 CST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 92 kg (204 pounds).

Airport information


A 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

Map

Chicago to Watertown flight map.

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?