Air Miles Calculator

Distance between Rock Springs, WY (RKS) and Watertown, SD (ATY)

Flight distance from Rock Springs to Watertown (Southwest Wyoming Regional Airport – Watertown Regional Airport) is 642 miles / 1034 kilometers / 558 nautical miles. Estimated flight time is 1 hour 42 minutes.

Driving distance from Rock Springs (RKS) to Watertown (ATY) is 915 miles / 1472 kilometers and travel time by car is about 15 hours 21 minutes.

Map of flight path and driving directions from Rock Springs to Watertown.

Shortest flight path between Southwest Wyoming Regional Airport (RKS) and Watertown Regional Airport (ATY).

How far is Watertown from Rock Springs?

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

Vincenty's formula (applied above)
  • 642.420 miles
  • 1033.875 kilometers
  • 558.248 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
  • 640.985 miles
  • 1031.566 kilometers
  • 557.001 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 Southwest Wyoming Regional Airport
City: Rock Springs, WY
Country: United States Flag of United States
IATA Code: RKS
ICAO Code: KRKS
Coordinates: 41°35′39″N, 109°3′54″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

The time difference between Rock Springs and Watertown is 1 hour. Watertown is 1 hour ahead of Rock Springs.

Time Difference

Rock Springs, WY

 MDT

Watertown, SD

 CDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 118 kg (260 pounds).

Frequent Flyer Miles Calculator

Rock Springs (RKS) → Watertown (ATY).

Distance:
642
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
642

Round trip?