How far is Watertown, SD, from Rapid City, SD?
The distance between Rapid City (Rapid City Regional Airport) and Watertown (Watertown Regional Airport) is 298 miles / 479 kilometers / 259 nautical miles.
The driving distance from Rapid City (RAP) to Watertown (ATY) is 439 miles / 707 kilometers, and travel time by car is about 7 hours 11 minutes.
Rapid City Regional Airport – Watertown Regional Airport
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Distance from Rapid City to Watertown
There are several ways to calculate the distance from Rapid City to Watertown. Here are two standard methods:
Vincenty's formula (applied above)- 297.806 miles
- 479.273 kilometers
- 258.787 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- 297.026 miles
- 478.017 kilometers
- 258.108 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 Rapid City to Watertown?
The estimated flight time from Rapid City Regional Airport to Watertown Regional Airport is 1 hour and 3 minutes.
What is the time difference between Rapid City and Watertown?
Flight carbon footprint between Rapid City Regional Airport (RAP) and Watertown Regional Airport (ATY)
On average, flying from Rapid City to Watertown generates about 69 kg of CO2 per passenger, and 69 kilograms equals 152 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Rapid City to Watertown
See the map of the shortest flight path between Rapid City Regional Airport (RAP) and Watertown Regional Airport (ATY).
Airport information
| Origin | Rapid City Regional Airport |
|---|---|
| City: | Rapid City, SD |
| Country: | United States  |
| IATA Code: | RAP |
| ICAO Code: | KRAP |
| Coordinates: | 44°2′43″N, 103°3′25″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 |