# 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
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
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.

MDT

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?