Origin
Gillette, WY
Morning in Gillette on Saturday
Local time
7:16 AM
MDT
Current temp
73°F
Unavailable
Live forecast
Trip from Gillette, WY to Bar Nunn, WY
Compiled and reviewed by the Trip.ovh planning team at COD Solutions Oy · Last reviewed Apr 18, 2026 · Editorial standards
Drive Time
2h 25m
Distance
125.8 mi
202 km
Drive Score
8/10
Great drive
Same Day?
Yes, doable
Fuel Cost
$20
one way
EV Charging
Unknown
Best Time to Leave
4 AM
2h 16m
★
6 AM
2h 26m
8 AM
2h 45m
10 AM
2h 33m
12 PM
2h 31m
3 PM
2h 34m
5 PM
2h 44m
8 PM
2h 20m
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Gillette, WY
Wikimedia Commons
Bar Nunn, WY
Valeria Boltneva
Trip Overview
Gillette to Bar Nunn is 125.8 miles and takes about 2 hours 25 minutes via WY 387, with a fuel budget near $20 and enough daylight to finish in a day. This journey stays within Wyoming, traversing the Mountain West region. Expect a drive that's almost entirely on highways, making it a straightforward trip. It's a good option for a single-day drive, allowing you to reach your destination without needing an overnight stop.
Trip Pace
Same-day drive is realistic
A same-day return is realistic if you keep stops short.
Midpoint
62.9 miles from Gillette, WY
A natural place for your longest stop of the day , about 1h 14m into the drive .
Who Is This Route For?
Weekend Trip
Doable as a same-day drive at 2h 25m. Total distance: 125.8 miles.
Family Friendly
Moderate complexity with 0 natural rest stops along the way.
Solo Traveler
2h 25m drive, comfortable solo distance.
First-Time Driver
Mostly highway driving (93%). Straightforward navigation.
Drive Character
This route is overwhelmingly a highway-focused drive, with 93% of the journey on well-maintained roads. You'll experience a long, uninterrupted stretch of 51.3 miles on WY 387, which is the longest segment without significant turns. The character of the drive remains consistently highway-oriented, meaning you can maintain steady speeds for much of the 125.8 miles. It’s less about winding country roads and more about efficient travel between points.
Most of the miles stay on highways, which makes pacing and fuel planning easier than turn-by-turn city driving.
There are about 12 navigation steps in the underlying route data, so the final approach matters more than the middle miles.
WY 387 is the longest continuous segment at about 51.3 miles.
How Hard Is This Drive?
This is a straightforward highway drive that stays mostly on WY 387 and State Highway 59 South. Navigation is very simple - set it and forget it for most of the drive. The trickiest moment comes around 0.4 miles in near WY 59 / South Douglas Highway.
Driving Effort
2/10
Very easy - short and simple to drive
Balances navigation complexity with total wheel time.
The drive from Gillette, WY to Bar Nunn, WY is easy. At 2h 25m with 93% highway, most drivers will find it relaxed and low-stress.
Where does it get tricky?
The main spots that need attention: at 0.4 miles (WY 59 / South Douglas Highway): Navigation decision point; at 38.3 miles (WY 387): Navigation decision point; at 89.5 miles (WY 259): Navigation decision point.
Critical Maneuvers
5 of 9 key pointsThese are the spots where you need to pay the most attention. Preview them before you drive.
4
0.4 mi into trip
|
~1m in
|
WY 59 / South Douglas Highway
Turn right onto WY 59 / South Douglas Highway
Navigation decision point
4
38.3 mi into trip
|
~46m in
|
WY 387
Turn right onto WY 387
Navigation decision point
4
89.5 mi into trip
|
~1h 45m in
|
WY 259
Turn left onto WY 259
Navigation decision point
6
107.6 mi into trip
|
~2h 5m in
Take the exit toward I 25 South: Casper
Exit ramp - move to the correct lane early
Toward I 25 South: Casper
4
123.9 mi into trip
|
~2h 22m in
|
Salt Creek Highway
Turn left onto Salt Creek Highway
Navigation decision point
Main Roads
| Road | Distance | Duration |
|---|---|---|
| WY 387 | 51.3 mi | 58m |
| State Highway 59 South | 32.8 mi | 35m |
| WY 259 | 18.1 mi | 20m |
| I 25 | 15.3 mi | 14m |
| South Douglas Highway | 5 mi | 9m |
| Salt Creek Highway | 1.6 mi | 2m |
| East 4th Street | 0.4 mi | 1m |
| Sunset Boulevard | 0.3 mi | <1m |
Longest stretch:
WY 387
— 51.3 mi, about 58m
Turn-by-Turn Driving Directions
Step-by-step road directions between Gillette, WY and Bar Nunn, WY.
1
Start on East 4th Street
0.4 mi
·
1 min
·
East 4th Street
2
Turn right onto WY 59
5.0 mi
·
9 min
·
South Douglas Highway
3
Continue on WY 59
33 mi
·
35 min
·
State Highway 59 South
4
Turn right onto WY 387
51 mi
·
58 min
·
WY 387
5
Turn left onto WY 259
18 mi
·
20 min
·
WY 259
6
Take the exit
0.4 mi
·
52 sec
Toward I 25 South: Casper
7
Merge onto I 25; US 87
15 mi
·
14 min
·
I 25; US 87
8
Take the exit
0.5 mi
·
1 min
9
Turn right onto Westwinds Road
0.1 mi
·
18 sec
·
Westwinds Road
10
Turn left onto Salt Creek Highway
1.6 mi
·
2 min
·
Salt Creek Highway
11
Turn right onto Sunset Boulevard
0.3 mi
·
36 sec
·
Sunset Boulevard
12
Arrive at destination
Sunset Boulevard
Trip Plan
Given the relatively short duration of 2 hours and 25 minutes, you have considerable flexibility with your departure time. Aim to leave Gillette after morning rush hour to maximize your daylight. Since the longest stretch is over 51 miles, plan your fuel stops accordingly, though with a total distance of 125.8 miles and a fuel cost estimate of $20, most vehicles should be able to complete the trip on a single tank. There are no specific stops noted, so consider this a direct transit with potential for spontaneous breaks as needed.
Morning Departure
Leave by 9 AM and you'll arrive before lunch.
Evening Departure
Even a 4 PM departure gets you there before dark in summer.
You can normally do this drive in one day.
You may only need one short stretch break if traffic stays light.
The halfway point lands around 62.9 miles from Gillette, WY, or about 1h 14m into the drive.
The longest continuous stretch on this route runs about 51.3 miles.
This is a comfortable same-day trip.
Departure
Before you leave
Start with fuel, water, and navigation already sorted so the first hour feels easy.
First stop
Around 28 miles or 35m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 62.9 miles or 1h 14m in
This is the best place for your longest stop, a real meal, and a full fuel check.
Final approach
Final hour starts around 2h
Traffic, exits, and arrival timing usually matter more near Bar Nunn, WY than in the middle of the route.
Before You Leave
+
Open the route before leaving Gillette, WY so your first major turns are already loaded.
+
Leave with enough water and a charging cable within reach, not packed away.
+
Check your fuel range against the first long segment, especially if you are starting outside city service areas.
Day 1
Settle into the route from Gillette, WY
This is one driving day of about 125.8 miles and 2h 25m.
Your first comfortable stop window is around 28 miles from Gillette, WY.
This route can stay practical as a one-day drive if traffic stays reasonable.
The longest stretch is on WY 387 for about 51.3 miles.
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Halfway Point
Midpoint
About 62.9 mi from Gillette, WY · 1h 14m into the drive
Mid-route town
Meal stop
63 mi into the route
Best for: Lunch, fuel, and a longer reset
This sits close to the middle of the route, so it works well for the longest stop of the day.
Pacing Suggestions
Fuel and coffee
A short stop after about 28 miles helps settle the day before fatigue starts building.
Meal break
The midpoint is around 62.9 miles from Gillette, WY, which is a good place for a longer meal and fuel stop.
Arriving in Bar Nunn, WY
The final approach into Bar Nunn, WY usually feels slower than the middle of the drive, so avoid planning your tightest schedule at the very end.
Try to arrive with enough fuel left to skip an immediate station stop unless you already know the area around Bar Nunn, WY.
These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.
Fuel & Cost
Regular Gas
$19.93 one way
$39.87 round trip
$4.03/gal
25.4 MPG avg
44 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.22 | $20.90 | $41.79 |
| premium | $4.53 | $22.44 | $44.88 |
| diesel | $5.61 | $27.78 | $55.55 |
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$20
Meals
$25–$50
Total
$45–$70
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 44 kg one way. Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $13 in charging · 0 stops · 66% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 37.7 | 0 | $13.21 | $6.04 |
| Efficient EV | 31.5 | 0 | $11.01 | $5.03 |
| EV Truck/SUV | 50.3 | 0 | $17.61 | $8.05 |
Gas CO2
44 kg
EV CO2
15 kg (66% less)
This trip is well within single-charge range for most EVs. No charging stops needed if you start fully charged.
DC fast charging avg $0.35/kWh. Home charging avg $0.16/kWh. US grid CO2: 0.39 kg/kWh.
Travel Intel
Current conditions at both ends of the drive.
Destination
Bar Nunn, WY
Morning in Bar Nunn on Saturday
Local time
7:16 AM
MDT
Current temp
17°F
Mostly Clear
W 9 mph
0% chance
Live forecast
Freeze Warning
Freeze Warning issued April 18 at 3:13AM MDT until April 18 at 9:00AM MDT by NWS Riverton WY
Freeze Warning
Freeze Warning issued April 18 at 3:13AM MDT until April 18 at 9:00AM MDT by NWS Riverton WY
43°F
Wright, WY
63 mi in
Seasonal Notes
Summer travel usually means heavier construction, hotter rest stops, and busier weekend traffic around major cities.
Winter travel shortens daylight, so a route that looks manageable on paper can feel much longer after dark.
Holiday weekends tend to make both departure and arrival windows slower than the raw route time suggests.
Time zone
Same local time
Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.
Temperature spread
56 degrees cooler at arrival
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
2h 25m on the road
The weather snapshot is not static. If you are leaving later, give both cities one more quick forecast check before departure.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
Frequently Asked Questions
The drive from Gillette, WY to Bar Nunn, WY covers 125.8 miles and takes about 2h 25m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are WY 387, State Highway 59 South, WY 259. Most of the drive stays on highways, so watch for ramps and exits.
This is a comfortable same-day trip.
The midpoint is about 62.9 miles from Gillette, WY. Look for rest areas, gas stations, or food options near the halfway mark.
At current regular gas prices, expect to spend about $19.93 one way. This estimate uses 25.4 MPG — your actual cost will vary with your vehicle's fuel efficiency and current gas prices.
Leave by 9 AM and you'll arrive before lunch. Even a 4 PM departure gets you there before dark in summer.
The drive from Gillette, WY to Bar Nunn, WY is easy. At 2h 25m with 93% highway, most drivers will find it relaxed and low-stress.
The main spots that need attention: at 0.4 miles (WY 59 / South Douglas Highway): Navigation decision point; at 38.3 miles (WY 387): Navigation decision point; at 89.5 miles (WY 259): Navigation decision point.
The route from Gillette, WY to Bar Nunn, WY does not surface many named destination signs beyond the main corridor.
How this page is built
Compiled by the Trip.ovh planning team at COD Solutions Oy from open government datasets — OSRM over OpenStreetMap for geometry, and EIA for fuel prices. See our methodology for refresh cadence and limitations.
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