Rock Springs to Watertown, South Dakota: Road Trip Guide & Distance

649.2 miles 1044.8 km · straight line
779.1 miles estimated 1253.8 km · driving distance
15h 40min estimated drive time
$75 - $92 estimated fuel cost
~1h 48min flight time
65° ENE bearing direction

How far is Rock Springs from Watertown, South Dakota?

The distance from Rock Springs to Watertown, South Dakota is 649.2 miles (1044.8 km) as the crow flies. Watertown, South Dakota is located ENE of Rock Springs. By car, the driving distance is approximately 779.1 miles, taking about 15h 40min. A direct flight would take roughly 1h 48min. Both are located in United States — Rock Springs in Wyoming and Watertown, South Dakota in South Dakota.

This is a serious multi-day road trip! We strongly recommend breaking this journey up with an overnight stay to ensure you arrive safely and refreshed. Heading East means you'll be driving into the sunrise if you start early. Keep your windshield clean for the best visibility.

Coordinates come from public place data for Rock Springs and Watertown, South Dakota. The driving distance is estimated from straight-line distance with a road-factor model, so confirm the route in your navigation app. Fuel, flight, bus, and train values are planning estimates and can change by date, provider, road closures, and border rules.

How to Get from Rock Springs to Watertown, South Dakota

Method Time Est. Cost Best For
Drive 15h 40min $75 - $92 Flexible stops
Fly ~1h 48min $80–200* Speed
Bus ~18h 48min $62–$117* Budget
Train ~20h 22min $93–$273* Comfort

Suggested Stops Between Rock Springs & Watertown, South Dakota

Quick Facts

Rock Springs
41.59°N, 109.20°W
America/Denver
1947m elevation
Watertown, South Dakota
44.90°N, 97.12°W
America/Chicago
528m elevation
Explore more routes from Watertown, South Dakota

Did You Know?

  • At walking speed (3 mph), it would take about 216 hours of non-stop walking
  • By bicycle at 12 mph, the journey would take roughly 54 hours
  • You could travel this distance about 38.4 times to circle the Earth's equator
Data Sources & Estimate Notes GeoNames · OpenStreetMap · Driving distance estimated using road factor coefficients