How far is Watertown, SD, from Reading, PA?
The distance between Reading (Reading Regional Airport) and Watertown (Watertown Regional Airport) is 1121 miles / 1803 kilometers / 974 nautical miles.
The driving distance from Reading (RDG) to Watertown (ATY) is 1389 miles / 2236 kilometers, and travel time by car is about 25 hours 16 minutes.
Reading Regional Airport – Watertown Regional Airport
Search flights
Distance from Reading to Watertown
There are several ways to calculate the distance from Reading to Watertown. Here are two standard methods:
Vincenty's formula (applied above)- 1120.527 miles
- 1803.313 kilometers
- 973.711 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- 1117.874 miles
- 1799.043 kilometers
- 971.406 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 Reading to Watertown?
The estimated flight time from Reading Regional Airport to Watertown Regional Airport is 2 hours and 37 minutes.
What is the time difference between Reading and Watertown?
The time difference between Reading and Watertown is 1 hour. Watertown is 1 hour behind Reading.
Flight carbon footprint between Reading Regional Airport (RDG) and Watertown Regional Airport (ATY)
On average, flying from Reading to Watertown generates about 158 kg of CO2 per passenger, and 158 kilograms equals 348 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Reading to Watertown
See the map of the shortest flight path between Reading Regional Airport (RDG) and Watertown Regional Airport (ATY).
Airport information
| Origin | Reading Regional Airport |
|---|---|
| City: | Reading, PA |
| Country: | United States  |
| IATA Code: | RDG |
| ICAO Code: | KRDG |
| Coordinates: | 40°22′42″N, 75°57′54″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 |