How far is Watertown, SD, from Erie, PA?
The distance between Erie (Erie International Airport) and Watertown (Watertown Regional Airport) is 874 miles / 1406 kilometers / 759 nautical miles.
The driving distance from Erie (ERI) to Watertown (ATY) is 1112 miles / 1790 kilometers, and travel time by car is about 20 hours 24 minutes.
Erie International Airport – Watertown Regional Airport
Search flights
Distance from Erie to Watertown
There are several ways to calculate the distance from Erie to Watertown. Here are two standard methods:
Vincenty's formula (applied above)- 873.623 miles
- 1405.960 kilometers
- 759.158 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- 871.417 miles
- 1402.410 kilometers
- 757.241 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 Erie to Watertown?
The estimated flight time from Erie International Airport to Watertown Regional Airport is 2 hours and 9 minutes.
What is the time difference between Erie and Watertown?
The time difference between Erie and Watertown is 1 hour. Watertown is 1 hour behind Erie.
Flight carbon footprint between Erie International Airport (ERI) and Watertown Regional Airport (ATY)
On average, flying from Erie to Watertown generates about 141 kg of CO2 per passenger, and 141 kilograms equals 312 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Erie to Watertown
See the map of the shortest flight path between Erie International Airport (ERI) and Watertown Regional Airport (ATY).
Airport information
| Origin | Erie International Airport |
|---|---|
| City: | Erie, PA |
| Country: | United States  |
| IATA Code: | ERI |
| ICAO Code: | KERI |
| Coordinates: | 42°4′55″N, 80°10′34″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 |