How far is Watertown, SD, from St Louis, MO?
The distance between St Louis (St. Louis Lambert International Airport) and Watertown (Watertown Regional Airport) is 551 miles / 886 kilometers / 479 nautical miles.
The driving distance from St Louis (STL) to Watertown (ATY) is 703 miles / 1131 kilometers, and travel time by car is about 12 hours 32 minutes.
St. Louis Lambert International Airport – Watertown Regional Airport
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Distance from St Louis to Watertown
There are several ways to calculate the distance from St Louis to Watertown. Here are two standard methods:
Vincenty's formula (applied above)- 550.662 miles
- 886.205 kilometers
- 478.512 nautical miles
Vincenty's formula calculates the distance between latitude/longitude points on the earth's surface using an ellipsoidal model of the planet.
Haversine formula- 550.455 miles
- 885.872 kilometers
- 478.332 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).
How long does it take to fly from St Louis to Watertown?
The estimated flight time from St. Louis Lambert International Airport to Watertown Regional Airport is 1 hour and 32 minutes.
What is the time difference between St Louis and Watertown?
Flight carbon footprint between St. Louis Lambert International Airport (STL) and Watertown Regional Airport (ATY)
On average, flying from St Louis to Watertown generates about 106 kg of CO2 per passenger, and 106 kilograms equals 234 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from St Louis to Watertown
See the map of the shortest flight path between St. Louis Lambert International Airport (STL) and Watertown Regional Airport (ATY).
Airport information
| Origin | St. Louis Lambert International Airport |
|---|---|
| City: | St Louis, MO |
| Country: | United States  |
| IATA Code: | STL |
| ICAO Code: | KSTL |
| Coordinates: | 38°44′55″N, 90°22′12″W |
| Destination | Watertown Regional Airport |
|---|---|
| City: | Watertown, SD |
| Country: | United States |
| IATA Code: | ATY |
| ICAO Code: | KATY |
| Coordinates: | 44°54′50″N, 97°9′16″W |