How far is Bar Nunn, WY from Riverton, WY?
The driving distance from Bar Nunn, WY to Riverton, WY is about 122.1 miles (196.5 km), with a travel time of about 02h 16m by car.
- The straight-line flight distance is about 103.3 miles (166.2 km).
- For a round trip, plan for roughly 04h 32m 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 16m.
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.
Mostly Sunny
Sunny
Driving Route Map
The map below follows the saved road route between Bar Nunn and Riverton.
Turn-by-Turn Driving Directions
Step-by-step road directions between Bar Nunn and Riverton.
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1
Start on Sunset Boulevard
1336 ft · 40 sec · Sunset Boulevard
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2
At the end of the road, turn right onto Salt Creek Highway
1.1 mi · 2 min · Salt Creek Highway
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3
Turn left onto Howard Street
564 ft · 13 sec · Howard Street
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4
Take the ramp right toward I 25 South, US 87 South: Casper
1979 ft · 48 sec
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5
Merge slight left
1.4 mi · 1 min
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6
Take the exit slight right toward US 20 West, US 26 West, WY 220 West: Shoshoni, Port of Entry
1757 ft · 43 sec
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7
Keep slight left
577 ft · 17 sec
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8
Turn right
2.7 mi · 3 min
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9
Turn right onto West Yellowstone Highway
94.3 mi · 1 hr 47 min · West Yellowstone Highway
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10
Continue straight
17.7 mi · 20 min
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11
Continue straight
3.9 mi · 5 min
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12
Arrive at your destination
0 m · 1 sec · North Federal Boulevard
Car Route Details
A richer read on the saved driving route between Bar Nunn and Riverton.
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.
Mostly Sunny leaving Bar Nunn and Sunny near Riverton.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Bar Nunn to Riverton?
The road trip is about 122.1 miles (196.5 km) and usually takes 02h 16m 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 61 miles from Bar Nunn and 61.1 miles from Riverton.
How much longer is the road route than the straight-line distance?
The direct path is about 103.3 miles (166.2 km), while the road route adds roughly 18.8 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 1:58 PM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $16.78 one way or $33.56 round trip. Estimated CO2 is about 38.3 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Bar Nunn and Sunny near Riverton.
Flight Path Map
This map shows the direct air route between Bar Nunn and Riverton. Straight-line distance: 103.25 mi (166.17 km).
#1 Bar Nunn
Town of the United States
| Population | 2,870 |
| Coordinates | 42.9135800, -106.3433600 |
| Altitude | 1611 |
| Country | United States |
#2 Riverton
City in Freemont County, Wyoming
| Population | 10,819 |
| Coordinates | 43.0249600, -108.3801000 |
| Altitude | 1509 |
| Country | United States |
End: North Federal Boulevard (-108.380624, 43.024965)
Estimated Travel Time
Distance: 197 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 04h 04m |
| 40 mph (64.37 km/h) | 03h 03m |
| 50 mph (80.47 km/h) | 02h 26m |
| 60 mph (96.56 km/h) | 02h 02m |
| 70 mph (112.65 km/h) | 01h 44m |
| 80 mph (129 km/h) | 01h 31m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $16.78 | $33.56 |
| Mid-grade | $4.23 | $18.24 | $36.47 |
| Premium | $4.55 | $19.61 | $39.21 |
| Diesel | $5.41 | $23.33 | $46.65 |
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 18, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.