How far is Rapid City, SD, from Watertown, SD?
The distance between Watertown (Watertown Regional Airport) and Rapid City (Rapid City Regional Airport) is 298 miles / 479 kilometers / 259 nautical miles.
The driving distance from Watertown (ATY) to Rapid City (RAP) is 439 miles / 706 kilometers, and travel time by car is about 7 hours 10 minutes.
Watertown Regional Airport – Rapid City Regional Airport
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Distance from Watertown to Rapid City
There are several ways to calculate the distance from Watertown to Rapid City. 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 Watertown to Rapid City?
The estimated flight time from Watertown Regional Airport to Rapid City Regional Airport is 1 hour and 3 minutes.
What is the time difference between Watertown and Rapid City?
Flight carbon footprint between Watertown Regional Airport (ATY) and Rapid City Regional Airport (RAP)
On average, flying from Watertown to Rapid City 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 Watertown to Rapid City
See the map of the shortest flight path between Watertown Regional Airport (ATY) and Rapid City Regional Airport (RAP).
Airport information
| Origin | Watertown Regional Airport |
|---|---|
| City: | Watertown, SD |
| Country: | United States  |
| IATA Code: | ATY |
| ICAO Code: | KATY |
| Coordinates: | 44°54′50″N, 97°9′16″W |
| Destination | 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 |