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

 CDT

Watertown, SD

 CDT

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?