How far is Rock Springs, WY from Ranchester, WY?
The driving distance from Rock Springs, WY to Ranchester, WY is about 386.7 miles (622.4 km), with a travel time of about 06h 43m by car.
- The straight-line flight distance is about 251.3 miles (404.5 km).
- For a round trip, plan for roughly 13h 26m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 7:30 AM MDT.
Reverse, save, or send this route
This drive is better planned with a longer stop or an overnight stay. Copy the route link, send it to another device, or print a clean version before you head out.
This drive is better planned with a longer stop or an overnight stay.
Flight Distance
Driving Distance
Gas Cost Calculator
Leave and Arrive Planner
Pick a departure time to see your estimated arrival and same-day return window.
Drive time stays fixed at 06h 43m.
Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
You are leaving earlier than the recommended window, which gives you extra margin for breaks and traffic.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
Town in Uinta County, Wyoming, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Rain And Snow Showers
Rain And Snow Showers Likely
Driving Route Map
The map below follows the saved road route between Rock Springs and Ranchester.
Turn-by-Turn Driving Directions
Step-by-step road directions between Rock Springs and Ranchester.
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1
Start on Collins Street
26 m · 7 sec · Collins Street
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2
Turn right onto Agate Street
129 m · 19 sec · Agate Street
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3
At the end of the road, turn left onto Edgar Street
789 ft · 26 sec · Edgar Street
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4
Turn right onto Virginia Street
905 ft · 40 sec · Virginia Street
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5
At the end of the road, turn right onto James Drive
977 ft · 33 sec · James Drive
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6
At the end of the road, turn left onto South Side Belt Route
2190 ft · 48 sec · South Side Belt Route
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7
Turn right onto 9th Street
2182 ft · 38 sec · 9th Street
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8
Take the ramp right
1916 ft · 30 sec
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9
Merge slight left onto Dwight D. Eisenhower Highway
103.9 mi · 1 hr 41 min · Dwight D. Eisenhower Highway
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10
Take the exit slight right toward I 80 Business East, WY 789 North: Rawlins
1997 ft · 52 sec
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11
Turn left onto West Spruce Street
1.7 mi · 3 min · West Spruce Street
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12
Turn left onto 3rd Street
44.1 mi · 51 min · 3rd Street
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13
Continue straight
63.7 mi · 1 hr 13 min
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14
Turn left onto Casper West Belt
7.3 mi · 9 min · Casper West Belt
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15
Continue straight
3 mi · 4 min
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16
Turn left onto I 25 North, US 87 North: Midwest
1989 ft · 51 sec
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17
Merge slight left
110.7 mi · 1 hr 44 min
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18
Keep slight left to continue on I 90 West, US 87 North: Sheridan
48.4 mi · 52 min
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19
Take the exit slight right toward US 14 West: Ranchester-Dayton, Greybull-Lovell, Yellowstone-Teton National Parks
2282 ft · 1 min
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20
Turn left
1.5 km · 2 min
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21
Arrive at your destination
0 m · 1 sec · Dayton Street
Car Route Details
A richer read on the saved driving route between Rock Springs and Ranchester.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
I 25 North
Merge slight left
111 mi · 01h 44m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
Better with a longer stop
This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.
Chance Rain And Snow Showers leaving Rock Springs and Rain And Snow Showers Likely near Ranchester.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Rock Springs to Ranchester?
The road trip is about 386.7 miles (622.4 km) and usually takes 06h 43m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.
What is the halfway point on this route?
Mountain View is a useful midpoint, sitting about 193.2 miles from Rock Springs and 193.5 miles from Ranchester.
How much longer is the road route than the straight-line distance?
The direct path is about 251.3 miles (404.5 km), while the road route adds roughly 135.4 extra miles because roads do not follow the straight air line.
When is the best time to leave for this route?
A good departure window is usually 6:00 AM to 7:30 AM MDT. Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $53.14 one way or $106.28 round trip. Estimated CO2 is about 121.3 kg one way.
What should you check before leaving?
Before you leave, expect Chance Rain And Snow Showers around Rock Springs and Rain And Snow Showers Likely near Ranchester.
Stop Ideas Near Mountain View
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Mountain View.
Casper, Wyoming
Douglas, Wyoming
Flight Path Map
This map shows the direct air route between Rock Springs and Ranchester. Straight-line distance: 251.37 mi (404.54 km).
#1 Rock Springs
City in Sweetwater County, Wyoming, United States
| Population | 22,943 |
| Coordinates | 41.5874600, -109.2029000 |
| Altitude | 1947 |
| Country | United States |
#2 Ranchester
Town of the United States
| Population | 1,082 |
| Coordinates | 44.9088600, -107.1634100 |
| Altitude | 1147 |
| Country | United States |
End: Ranchester (-107.16341, 44.90886)
Estimated Travel Time
Distance: 622 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 12h 53m |
| 40 mph (64.37 km/h) | 09h 40m |
| 50 mph (80.47 km/h) | 07h 44m |
| 60 mph (96.56 km/h) | 06h 26m |
| 70 mph (112.65 km/h) | 05h 31m |
| 80 mph (129 km/h) | 04h 49m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $53.14 | $106.28 |
| Mid-grade | $4.23 | $57.75 | $115.51 |
| Premium | $4.55 | $62.09 | $124.19 |
| Diesel | $5.41 | $73.87 | $147.75 |
Assumes 8.3 L/100 km (about 28.3 MPG). CO2 is an estimate and varies by vehicle, fuel blend, traffic, and terrain.
Prices in Wyoming · May 05, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.