Map of flight path and driving directions from Chicago to Watertown.
Shortest flight path between Chicago O'Hare International Airport (ORD) and Watertown International Airport (ART).
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).
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 115 kg (253 pounds).
Frequent Flyer Miles Calculator
Chicago (ORD) → Watertown (ART).