Rock Springs to Sioux Falls: Road Trip Guide & Distance

648.4 miles 1043.5 km · straight line
778.1 miles estimated 1252.2 km · driving distance
15h 39min estimated drive time
$75 - $92 estimated fuel cost
~1h 48min flight time
74° ENE bearing direction

How far is Rock Springs from Sioux Falls?

The distance from Rock Springs to Sioux Falls is 648.4 miles (1043.5 km) as the crow flies. Sioux Falls is located ENE of Rock Springs. By car, the driving distance is approximately 778.1 miles, taking about 15h 39min. A direct flight would take roughly 1h 48min. Both are located in United States — Rock Springs in Wyoming and Sioux Falls 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 Sioux Falls. 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 Sioux Falls

Method Time Est. Cost Best For
Drive 15h 39min $75 - $92 Flexible stops
Fly ~1h 48min $80–200* Speed
Bus ~18h 47min $62–$117* Budget
Train ~20h 21min $93–$272* Comfort

Quick Facts

Rock Springs
41.59°N, 109.20°W
America/Denver
1947m elevation
Sioux Falls
43.54°N, 96.73°W
America/Chicago
448m elevation
Explore more routes from Sioux Falls

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