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Chicago–Watertown | ORD–ATY
Calculations with different methods
- 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).
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.
Chicago to Watertown flight map.
Frequent Flyer Miles Calculator
Chicago (ORD) → Watertown (ATY).