Air Miles Calculator

Distance between Rochester, MN (RST) and Watertown, SD (ATY)

Flight distance from Rochester to Watertown (Rochester International Airport – Watertown Regional Airport) is 241 miles / 387 kilometers / 209 nautical miles. Estimated flight time is 57 minutes.

Driving distance from Rochester (RST) to Watertown (ATY) is 328 miles / 528 kilometers and travel time by car is about 5 hours 24 minutes.

Map of flight path and driving directions from Rochester to Watertown.

Shortest flight path between Rochester International Airport (RST) and Watertown Regional Airport (ATY).

How far is Watertown from Rochester?

There are several ways to calculate distances between Rochester and Watertown. Here are two common methods:

Vincenty's formula (applied above)
  • 240.570 miles
  • 387.159 kilometers
  • 209.049 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
  • 239.975 miles
  • 386.203 kilometers
  • 208.533 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 Rochester International Airport
City: Rochester, MN
Country: United States Flag of United States
IATA Code: RST
ICAO Code: KRST
Coordinates: 43°54′29″N, 92°30′0″W

B Watertown Regional Airport
City: Watertown, SD
Country: United States Flag of United States
IATA Code: ATY
ICAO Code: KATY
Coordinates: 44°54′50″N, 97°9′16″W

Time difference and current local times

There is no time difference between Rochester and Watertown.

Time Difference

Rochester, MN

 CDT

Watertown, SD

 CDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 60 kg (133 pounds).

Frequent Flyer Miles Calculator

Rochester (RST) → Watertown (ATY).

Distance:
241
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
241

Round trip?