How far is Thermopolis, WY from Sheridan, WY?
The driving distance from Thermopolis, WY to Sheridan, WY is about 158.4 miles (254.9 km), with a travel time of about 03h 02m by car.
- The straight-line flight distance is about 101 miles (162.5 km).
- For a round trip, plan for roughly 06h 04m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 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 03h 02m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
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 Big Horn County, Wyoming
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Mostly Sunny then Slight Chance Rain Showers
Driving Route Map
The map below follows the saved road route between Thermopolis and Sheridan.
Turn-by-Turn Driving Directions
Step-by-step road directions between Thermopolis and Sheridan.
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1
Start on South 6th Street
1608 ft · 53 sec · South 6th Street
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2
Continue on Park Street
32.4 mi · 39 min · Park Street
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3
Turn left onto North Railway Avenue
2336 ft · 1 min · North Railway Avenue
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4
Continue on Russell Avenue
606 ft · 22 sec · Russell Avenue
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5
Turn left onto North 10th Street
37.5 mi · 42 min · North 10th Street
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6
Turn right onto Greybull Avenue
78.8 mi · 1 hr 44 min · Greybull Avenue
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7
Take the ramp right
2069 ft · 51 sec
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8
Continue straight
11 mi · 11 min
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9
Take the exit slight right
2129 ft · 54 sec
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10
Turn right onto North Main Street
3.2 mi · 6 min · North Main Street
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11
Turn right onto West Loucks Street
24 m · 2 sec · West Loucks Street
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12
Arrive at your destination
0 m · 1 sec · West Loucks Street
Car Route Details
A richer read on the saved driving route between Thermopolis and Sheridan.
Straightforward drive
The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.
Greybull Avenue
Turn right onto Greybull Avenue
78.8 mi · 01h 44m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A longer out-and-back drive
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
Sunny leaving Thermopolis and Mostly Sunny then Slight Chance Rain Showers near Sheridan.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Thermopolis to Sheridan?
The road trip is about 158.4 miles (254.9 km) and usually takes 03h 02m in normal driving conditions.
Is this a same-day trip or an overnight route?
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
What is the halfway point on this route?
Greybull is a useful midpoint, sitting about 82.2 miles from Thermopolis and 76.2 miles from Sheridan.
How much longer is the road route than the straight-line distance?
The direct path is about 101 miles (162.5 km), while the road route adds roughly 57.4 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 8:00 AM MDT. If you want a more comfortable same-day return, try to leave by 10:56 AM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $21.76 one way or $43.52 round trip. Estimated CO2 is about 49.7 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Thermopolis and Mostly Sunny then Slight Chance Rain Showers near Sheridan.
Flight Path Map
This map shows the direct air route between Thermopolis and Sheridan. Straight-line distance: 100.95 mi (162.47 km).
#1 Thermopolis
Town of the United States
| Population | 2,770 |
| Coordinates | 43.6460700, -108.2120400 |
| Altitude | 1320 |
| Country | United States |
#2 Sheridan
City in Wyoming, United States
| Population | 18,095 |
| Coordinates | 44.7971900, -106.9561800 |
| Altitude | 1141 |
| Country | United States |
End: West Loucks Street (-106.956181, 44.797278)
Estimated Travel Time
Distance: 255 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 05h 16m |
| 40 mph (64.37 km/h) | 03h 57m |
| 50 mph (80.47 km/h) | 03h 10m |
| 60 mph (96.56 km/h) | 02h 38m |
| 70 mph (112.65 km/h) | 02h 15m |
| 80 mph (129 km/h) | 01h 58m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $21.76 | $43.52 |
| Mid-grade | $4.23 | $23.65 | $47.30 |
| Premium | $4.55 | $25.43 | $50.86 |
| Diesel | $5.41 | $30.25 | $60.51 |
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.