Distance between San Diego, CA (SAN) and Watertown, SD (ATY)
Flight distance from San Diego to Watertown (San Diego International Airport – Watertown Regional Airport) is 1363 miles / 2193 kilometers / 1184 nautical miles. Estimated flight time is 3 hours 4 minutes.
Driving distance from San Diego (SAN) to Watertown (ATY) is 1799 miles / 2895 kilometers and travel time by car is about 30 hours 7 minutes.
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Multiple airports
San Diego - Watertown
Map of flight path and driving directions from San Diego to Watertown.
Shortest flight path between San Diego International Airport (SAN) and Watertown Regional Airport (ATY).
How far is Watertown from San Diego?
There are several ways to calculate distances between San Diego and Watertown. Here are two common methods:
Vincenty's formula (applied above)- 1362.731 miles
- 2193.102 kilometers
- 1184.180 nautical miles
Vincenty's formula calculates the distance between latitude/longitude points on the earth’s surface, using an ellipsoidal model of the earth.
Haversine formula- 1361.534 miles
- 2191.177 kilometers
- 1183.141 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).
Airport information
| A | San Diego International Airport |
|---|---|
| City: | San Diego, CA |
| Country: | United States  |
| IATA Code: | SAN |
| ICAO Code: | KSAN |
| Coordinates: | 32°44′0″N, 117°11′24″W |
| B | Watertown Regional Airport |
|---|---|
| City: | Watertown, SD |
| Country: | United States |
| IATA Code: | ATY |
| ICAO Code: | KATY |
| Coordinates: | 44°54′50″N, 97°9′16″W |
Time difference and current local times
The time difference between San Diego and Watertown is 2 hours. Watertown is 2 hours ahead of San Diego.
Time Difference
San Diego, CA
Watertown, SD
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 171 kg (377 pounds).
Frequent Flyer Miles Calculator
San Diego (SAN) → Watertown (ATY).
In total
Round trip?