Driving
Rock Springs to Casper
Updated: 31 May 2026
The drive from Rock Springs to Casper is approximately 350 kilometers, taking you through the heart of central Wyoming. The most common route involves taking US-191 N to US-287 N and then WY-220 E. This journey takes about 4 hours and offers a glimpse into the rugged, open landscapes of the American West. You will pass through historic areas and vast rangelands. It is a quiet, scenic drive that showcases the true spirit of Wyoming.
Total Distance: Driving distance 350 km, straight-line air distance 280 km.
Fastest Way
Driving via US-287 and WY-220 takes approximately 4 hours.
Cheapest Way
Driving is the only practical way to travel between these two cities.
Compare Rock Springs to Casper Routes
Driving
Direct
Duration
4 hours
Avg Price
$50 - $80
Operator
Personal Vehicle
Route
US-191 N to US-287 N, then WY-220 E.
Stop in Rawlins for a quick break and to stretch your legs.
Travel Tips
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FuelGas stations can be sparse on rural Wyoming highways; fill up before leaving town.
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ConnectivityCell service is limited in remote areas; download offline maps.
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WildlifeWatch for antelope and deer, which are very common along these roads.
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Road ConditionsCheck the WYDOT website for construction or weather-related closures.
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SuppliesCarry water and snacks, as services are limited between towns.
Safety Tips
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SpeedObey speed limits, as rural roads are frequently patrolled.
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FatigueThe long, straight roads can be hypnotic; take breaks to stay alert.
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WinterRoads can become icy quickly; carry a winter emergency kit.
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VehicleEnsure your vehicle is in good condition before starting the trip.
People Also Ask
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Is there a bus?No, there is no regular bus service between these two cities.
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How long is the drive?It takes about 4 hours.
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Are there tolls?No, there are no tolls on this route.
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What is the best route?Taking US-287 and WY-220 is the most direct path.
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Is it a scenic drive?Yes, it offers beautiful views of the Wyoming landscape.
Quick Info
- From Rock Springs, Wyoming, United States
- To Casper, Wyoming, United States
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Modes
Best Time to Travel
Summer and early autumn for the best road conditions.
Things to Do in Casper
1
National Historic Trails Interpretive Center
A fantastic museum detailing the history of the Oregon, Mormon, and California trails.
2
Casper Mountain
Offers year-round outdoor activities including hiking, skiing, and scenic drives.
3
Fort Caspar Museum
A reconstructed 19th-century military post that provides a look into the frontier history of the region.
4
Tate Geological Museum
Home to an impressive collection of dinosaur fossils and local geological exhibits.
Tags
Rock Springs to Casper
drive to Casper
US-287 route
Wyoming travel
Rock Springs to Casper distance
Casper transport
best way to Casper
traveling central Wyoming
