Map of flight path and driving directions from Watertown to St Louis.
Shortest flight path between Watertown International Airport (ART) and St. Louis Lambert International Airport (STL).
How far is St Louis from Watertown?
There are several ways to calculate distances between Watertown and St Louis. 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).
Time difference and current local times
The time difference between Watertown and St Louis is 1 hour. St Louis is 1 hour behind Watertown.
St Louis, MO
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 137 kg (303 pounds).
Frequent Flyer Miles Calculator
Watertown (ART) → St Louis (STL).