How far is Watertown from St Louis?
There are several ways to calculate distances between St Louis and Watertown. Here are two common methods:Vincenty's formula (applied above)
- 827.483 miles
- 1331.706 kilometers
- 719.063 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
- 825.950 miles
- 1329.238 kilometers
- 717.731 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 St. Louis Lambert International Airport (STL) to Watertown International Airport (ART) is 2 hours 4 minutes.
Time difference and current local times
The time difference between St Louis and Watertown is 1 hour. Watertown is 1 hour ahead of St Louis.
St Louis, MO
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 137 kg (303 pounds).
St Louis to Watertown flight map.
Frequent Flyer Miles Calculator
St Louis (STL) → Watertown (ART).