How far is Casper, WY from Ethete, WY?
The driving distance from Casper, WY to Ethete, WY is about 148.2 miles (238.5 km), with a travel time of about 02h 55m by car.
- The straight-line flight distance is about 124.9 miles (201 km).
- For a round trip, plan for roughly 05h 50m 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 55m.
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.
Scattered Rain Showers
Mostly Cloudy
Driving Route Map
The map below follows the saved road route between Casper and Ethete.
Turn-by-Turn Driving Directions
Step-by-step road directions between Casper and Ethete.
-
1
Start on North Sunlight Drive
1368 ft · 1 min · North Sunlight Drive
-
2
Turn right
770 ft · 34 sec
-
3
Turn right onto East Sunlight Drive
2655 ft · 2 min · East Sunlight Drive
-
4
At the end of the road, turn right onto Bryan Stock Trail
1.1 mi · 2 min · Bryan Stock Trail
-
5
Turn right onto East F Street
967 ft · 16 sec · East F Street
-
6
Take the ramp straight
2.1 mi · 3 min
-
7
Take the exit slight right toward US 20 West, US 26 West, WY 220 West: Shoshoni, Port of Entry
1846 ft · 45 sec
-
8
Keep slight left
107 m · 11 sec
-
9
Turn left
3 mi · 4 min
-
10
Turn right onto West Yellowstone Highway
94.3 mi · 1 hr 47 min · West Yellowstone Highway
-
11
Continue straight
17.7 mi · 20 min
-
12
Continue straight
5.6 mi · 7 min
-
13
Turn right onto Rendezvous Road
2.9 mi · 3 min · Rendezvous Road
-
14
Continue on 17 Mile Road
17.9 mi · 21 min · 17 Mile Road
-
15
At the end of the road, turn right onto Blue Sky Highway
2 mi · 4 min · Blue Sky Highway
-
16
Turn right onto Saint Michael Circle
71 m · 11 sec · Saint Michael Circle
-
17
Continue on Saint Michael Circle
134 m · 19 sec · Saint Michael Circle
-
18
Arrive at your destination
0 m · 1 sec · Saint Michael Circle
Car Route Details
A richer read on the saved driving route between Casper and Ethete.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
West Yellowstone Highway
Turn right onto West Yellowstone Highway
94.3 mi · 01h 47m
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.
Scattered Rain Showers leaving Casper and Mostly Cloudy near Ethete.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Casper to Ethete?
The road trip is about 148.2 miles (238.5 km) and usually takes 02h 55m 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?
Shoshoni is a useful midpoint, sitting about 73.9 miles from Casper and 74.3 miles from Ethete.
How much longer is the road route than the straight-line distance?
The direct path is about 124.9 miles (201 km), while the road route adds roughly 23.3 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 12:40 PM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $20.36 one way or $40.72 round trip. Estimated CO2 is about 46.5 kg one way.
What should you check before leaving?
Before you leave, expect Scattered Rain Showers around Casper and Mostly Cloudy near Ethete.
Flight Path Map
This map shows the direct air route between Casper and Ethete. Straight-line distance: 124.87 mi (200.96 km).
#1 Casper
The most populous city in Natrona County, Wyoming.
| Population | 58,498 |
| Coordinates | 42.8666300, -106.3130800 |
| Altitude | 1560 |
| Country | United States |
#2 Ethete
Census-designated place in Fremont County, Wyoming
| Population | 1,553 |
| Coordinates | 43.0249600, -108.7726200 |
| Altitude | 1632 |
| Country | United States |
End: Ethete (-108.77262, 43.02496)
Estimated Travel Time
Distance: 238 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 04h 56m |
| 40 mph (64.37 km/h) | 03h 42m |
| 50 mph (80.47 km/h) | 02h 57m |
| 60 mph (96.56 km/h) | 02h 28m |
| 70 mph (112.65 km/h) | 02h 07m |
| 80 mph (129 km/h) | 01h 50m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $20.36 | $40.72 |
| Mid-grade | $4.23 | $22.13 | $44.26 |
| Premium | $4.55 | $23.79 | $47.58 |
| Diesel | $5.41 | $28.30 | $56.61 |
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 07, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.