Calculations with different methods
- 617.457 miles
- 993.700 kilometers
- 536.555 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
- 615.919 miles
- 991.226 kilometers
- 535.219 nautical miles
The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance).
Estimated flight time from Watertown International Airport (ART) to O'Hare International Airport (ORD) is 1 hour 40 minutes.
Time difference and current local times
The time difference between Watertown and Chicago is 1 hour. Chicago is 1 hour behind Watertown.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 104 kg (230 pounds).
Watertown to Chicago flight map.
Frequent Flyer Miles Calculator
Watertown (ART) → Chicago (ORD).