Lewiston, Idaho to Rock Springs: Road Trip Guide & Distance

511.6 miles 823.3 km · straight line
613.9 miles estimated 988 km · driving distance
12h 21min estimated drive time
$59 - $73 estimated fuel cost
~1h 32min flight time
128° SE bearing direction

How far is Lewiston, Idaho from Rock Springs?

The distance from Lewiston, Idaho to Rock Springs is 511.6 miles (823.3 km) as the crow flies. Rock Springs is located SE of Lewiston, Idaho. By car, the driving distance is approximately 613.9 miles, taking about 12h 21min. A direct flight would take roughly 1h 32min. Both are located in United States — Lewiston, Idaho in Idaho and Rock Springs in Wyoming.

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 Lewiston, Idaho and Rock Springs. 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 Lewiston, Idaho to Rock Springs

Method Time Est. Cost Best For
Drive 12h 21min $59 - $73 Flexible stops
Fly ~1h 32min $80–200* Speed
Bus ~14h 49min $49–$92* Budget
Train ~16h 3min $74–$215* Comfort

Suggested Stops Between Lewiston, Idaho & Rock Springs

Quick Facts

Lewiston, Idaho
46.42°N, 117.02°W
America/Los_Angeles
227m elevation
Rock Springs
41.59°N, 109.20°W
America/Denver
1947m elevation
Explore more routes from Rock Springs

Did You Know?

  • At walking speed (3 mph), it would take about 171 hours of non-stop walking
  • By bicycle at 12 mph, the journey would take roughly 43 hours
  • You could travel this distance about 48.7 times to circle the Earth's equator
Data Sources & Estimate Notes GeoNames · OpenStreetMap · Driving distance estimated using road factor coefficients