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)
- 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 – the shortest distance between two points).
Estimated flight time from O'Hare International Airport (ORD) to Watertown International Airport (ART) is 1 hour 40 minutes.
Time difference and current local times
The time difference between Chicago and Watertown is 1 hour. Watertown is 1 hour ahead of Chicago.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 104 kg (230 pounds).
Chicago to Watertown flight map.
Frequent Flyer Miles Calculator
Chicago (ORD) → Watertown (ART).