How far is Ranchester, WY from Casper, WY?
The driving distance from Ranchester, WY to Casper, WY is about 163.8 miles (263.6 km), with a travel time of about 02h 33m by car.
- The straight-line flight distance is about 147.3 miles (237.1 km).
- For a round trip, plan for roughly 05h 07m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM MDT.
Reverse, save, or send this route
This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.
This route works well as a day trip with time at the destination.
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 02h 33m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
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 of the United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Partly Sunny then Chance Showers And Thunderstorms
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Ranchester and Casper.
Turn-by-Turn Driving Directions
Step-by-step road directions between Ranchester and Casper.
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1
Start on Dayton Street
1.2 km · 2 min · Dayton Street
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2
Take the ramp right
2069 ft · 51 sec
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3
Continue straight
47.8 mi · 48 min
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4
Take the exit slight right toward I 25 South, US 87 South: Casper
114.2 mi · 1 hr 49 min
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5
Take the exit slight right toward US 20 East, US 26 East, US 87 South: North Beverly Street, Bryan Stock Trail
1755 ft · 41 sec
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6
At the end of the road, turn left onto Bryan Stock Trail
1.1 mi · 2 min · Bryan Stock Trail
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7
Turn left onto East Sunlight Drive
1.5 km · 4 min · East Sunlight Drive
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8
Arrive at your destination
0 m · 1 sec · North Sunlight Drive
Car Route Details
A richer read on the saved driving route between Ranchester and Casper.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
I 25 South
Take the exit slight right toward I 25 South, US 87 South: Casper
114 mi · 01h 49m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A comfortable day-trip route
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
Partly Sunny then Chance Showers And Thunderstorms leaving Ranchester and Mostly Sunny near Casper.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Ranchester to Casper?
The road trip is about 163.8 miles (263.6 km) and usually takes 02h 33m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
What is the halfway point on this route?
Kaycee is a useful midpoint, sitting about 82.8 miles from Ranchester and 81 miles from Casper.
How much longer is the road route than the straight-line distance?
The direct path is about 147.3 miles (237.1 km), while the road route adds roughly 16.5 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 8:00 AM to 10:00 AM MDT. If you want a more comfortable same-day return, try to leave by 1:22 PM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $22.50 one way or $45.00 round trip. Estimated CO2 is about 51.4 kg one way.
What should you check before leaving?
Before you leave, expect Partly Sunny then Chance Showers And Thunderstorms around Ranchester and Mostly Sunny near Casper.
Stop Ideas Near Kaycee
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 Kaycee.
Casper, Wyoming
Flight Path Map
This map shows the direct air route between Ranchester and Casper. Straight-line distance: 147.32 mi (237.09 km).
#1 Ranchester
Town of the United States
| Population | 1,082 |
| Coordinates | 44.9088600, -107.1634100 |
| Altitude | 1147 |
| Country | United States |
#2 Casper
The most populous city in Natrona County, Wyoming.
| Population | 58,498 |
| Coordinates | 42.8666300, -106.3130800 |
| Altitude | 1560 |
| Country | United States |
End: North Sunlight Drive (-106.309604, 42.868632)
Estimated Travel Time
Distance: 264 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 05h 27m |
| 40 mph (64.37 km/h) | 04h 05m |
| 50 mph (80.47 km/h) | 03h 16m |
| 60 mph (96.56 km/h) | 02h 43m |
| 70 mph (112.65 km/h) | 02h 20m |
| 80 mph (129 km/h) | 02h 02m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $22.50 | $45.00 |
| Mid-grade | $4.23 | $24.46 | $48.91 |
| Premium | $4.55 | $26.29 | $52.59 |
| Diesel | $5.41 | $31.28 | $62.56 |
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 · Apr 23, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.