Marbleton, WY to Gillette, WY is 409.7 miles and takes about 8h via US 20 and WY 789, with a fuel budget near $65 and enough daylight to finish in a day. This trip stays within the Mountain West region, specifically Wyoming. You'll encounter mostly highway driving, making it a relatively straightforward trip. With a recommended two days for the drive, you can take your time and break up the 409.7 miles into manageable segments. Plan on about 2 stops along the way.
Trip Pace
Best split across 2 days
Treat the return leg as its own travel day rather than an afterthought.
Break Rhythm
2 planned breaks
Plan on a short reset every 3 to 4 hours to stay fresh behind the wheel.
Midpoint
204.9 miles from Marbleton, WY
A natural place for your longest stop of the day
, about 4h 7m into the drive
.
Main Roads
Road
Distance
Duration
US 20
79.9 mi
1h 30m
Highway 28
66.5 mi
1h 15m
WY 789
63.7 mi
1h 13m
WY 387
51.3 mi
58m
US Highway 191
36.4 mi
39m
State Highway 59 South
32.8 mi
35m
WY 351
24.2 mi
42m
I 25
20.1 mi
18m
Longest stretch:
US 20
— 79.9 mi, about 1h 30m
Turn-by-Turn Driving Directions
Step-by-step road directions between Marbleton, WY and Gillette, WY.
1
Start on East 1st Street
90 ft·6 sec·East 1st Street
2
Turn right onto US 189
2.4 mi·3 min·Main Street
3
Turn right onto WY 351
24 mi·42 min·WY 351
4
Turn right onto US 191
36 mi·39 min·US Highway 191
5
Turn left onto WY 28
66 mi·1 hr 15 min·Highway 28
6
Continue on US 287; WY 789
8.4 mi·9 min·US 287; WY 789
7
Turn right onto WY 789
64 mi·1 hr 13 min·WY 789
Use the straight / left lanes.
8
Continue on US 20; US 26
77 mi·1 hr 27 min·US 20; US 26
9
Turn left onto US 20; US 26
3.0 mi·3 min·US 20; US 26
10
Turn left
0.4 mi·50 sec
Toward I 25 North, US 87 North: Midwest
11
Merge onto I 25; US 87
20 mi·18 min·I 25; US 87
12
Take the exit
0.4 mi·50 sec
Toward Horse Ranch Creek Road
13
Turn right onto WY 259
18 mi·20 min·Horseshoe Road
14
Turn right onto WY 387
51 mi·58 min·WY 387
15
Turn left onto WY 59
33 mi·35 min·State Highway 59 South
16
Continue on WY 59
5.0 mi·9 min·South Douglas Highway
17
Turn left onto East 4th Street
0.4 mi·1 min·East 4th Street
18
Arrive at destination
East 4th Street
Trip Plan
Since this is an 8-hour drive, consider breaking it up over two days to avoid fatigue. You'll want to depart early in the morning if you plan to complete it in one day, especially with two recommended stops. Keep an eye on your fuel levels, as the longest stretch without services is nearly 80 miles on US 20. With a fuel cost estimated at $65, it's a budget-friendly trip. Wyoming's weather can change rapidly, so check conditions before you leave.
Morning Departure
Start early — leave by 6-7 AM to arrive at a reasonable hour.
Evening Departure
This is a long drive — plan for a morning departure or consider splitting it into two days.
This drive is better paced as a 2-day trip.
Plan roughly 2 meaningful breaks for fuel, food, and rest.
The halfway point lands around 204.9 miles from Marbleton, WY, or about 4h 7m into the drive.
The longest continuous stretch on this route runs about 79.9 miles.
Consider an overnight stop or starting very early.
Departure
Before you leave
Start with fuel, water, and navigation already sorted so the first hour feels easy.
First stop
Around 90 miles or 1h 56m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 204.9 miles or 4h 7m in
This is the best place for your longest stop, a real meal, and a full fuel check.
Overnight split
Day 1 wrap after about 204.9 miles or 4h 7m
Stop before fatigue turns the last few hours into a grind. You want day two to start fresh, not just resumed.
Final approach
Final hour starts around 6h 49m
Traffic, exits, and arrival timing usually matter more near Gillette, WY than in the middle of the route.
Before You Leave
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Open the route before leaving Marbleton, 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.
+
Pick one backup stop option before the midpoint in case traffic changes your pacing.
+
Treat this as a 2-day road trip and book the overnight stop before the busiest arrival window.
Day 1
Settle into the route from Marbleton, WY
Aim for roughly 205 miles and 4 hours of wheel time on this day.
Day 2
Finish the approach into Gillette, WY
Aim for roughly 205 miles and 4 hours of wheel time on this day.
Your first comfortable stop window is around 90 miles from Marbleton, WY.
This route usually feels better as a 2-day drive than as one long push.
Plan about 2 real breaks rather than only quick fuel stops.
The longest stretch is on US 20 for about 79.9 miles.
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Place data sourced from public business listings. Hours and availability may vary.
Heads-up: tricky spots
5 of 13
5 decision points cluster between mile 0 and 301.9 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
4
0 mi into trip|~0m in|US 189 / Main Street
Turn right onto US 189 / Main Street
Navigation decision point
4
63 mi into trip|~1h 25m in|WY 28 / Highway 28
Turn left onto WY 28 / Highway 28
Navigation decision point
5
137.8 mi into trip|~2h 50m in|WY 789
Turn right onto WY 789
Lane positioning matters here
Use the straight / left lanes.
5
281.4 mi into trip|~5h 34m in
Turn left toward I 25 North, US 87 North: Midwest
Multiple destination signs - pick the right one
Toward I 25 North, US 87 North: Midwest
4
301.9 mi into trip|~5h 54m in
Take the exit toward Horse Ranch Creek Road
Exit ramp - move to the correct lane early
Toward Horse Ranch Creek Road
Fuel & Cost
Regular Gas
$64.92 one way
$129.85 round trip
$4.03/gal25.4 MPG avg143 kg CO2
Fuel Type
$/gal
One Way
Round Trip
midgrade
$4.22
$68.05
$136.10
premium
$4.53
$73.08
$146.17
diesel
$5.61
$90.46
$180.91
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$65
Hotel (1n)
$80–$140
Meals
$50–$100
Total
$195–$305
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 143.3 kg one way.
Prices: EIA weekly data, 2026-04-13.
EV Charging Along Route
8 DC fast chargers
· Coverage: good
Armando's Taco and Pasta Shop - Tesla Supercharger
Station data from NREL Alternative Fuel Stations database.
Driving Electric?
About $43 in charging
· 1 stop
· 66% less CO2
Vehicle Type
kWh
Stops
DC Fast
Home Charge
Average EV
122.9
1
$43.02
$19.67
Efficient EV
102.4
1
$35.85
$16.39
EV Truck/SUV
163.9
2
$57.36
$26.22
Gas CO2
143 kg
EV CO2
48 kg (66% less)
Plan for 1 charging stop. A 30-minute DC fast charge mid-route should be enough to complete the trip comfortably.
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.
Forecast as of Apr 16, 2026
Origin
Marbleton, WY
Evening
in Marbleton on Saturday
Local time
7:10 PM
MDT
Current temp
61°F
Unavailable
Live forecast
Destination
Gillette, WY
Evening
in Gillette on Saturday
Local time
7:10 PM
MDT
Current temp
73°F
Unavailable
Live forecast
75°F
Riverton, WY
205 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.
For long drives, weather on day two can matter just as much as conditions at departure, so check the whole travel window rather than only the first day.
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
12 degrees warmer at arrival
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
8h on the road
This is long enough that the arrival forecast matters almost as much as departure conditions. Recheck both ends before you roll.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
More Details
What kind of drive is this?
This route is almost entirely on highways, with a 94% highway share. The longest continuous stretch you'll encounter is 79.9 miles on US 20. You'll experience mostly rural cruising for the majority of the drive. The highway portion ends and surface roads begin after you've completed the main highway segments.
94% highway — fuel and pacing are the main things to plan.
18 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 79.9 mi on US 20.
How Hard Is This Drive?
4/10
This is a straightforward highway drive that stays mostly on US 20 and Highway 28. There are only a few real navigation decisions along the way. The trickiest moment comes early in the drive near US 189 / Main Street.
Driving Effort4/10
Easy - simple navigation with a manageable amount of wheel time
Balances navigation complexity with total wheel time.
The route itself is not hard, but at 8h, endurance matters. Plan breaks every 2-3 hours. The 13 decision points are all manageable with basic attention.
Where does it get tricky?
The main spots that need attention: near the start (US 189 / Main Street): Navigation decision point; at 63 miles (WY 28 / Highway 28): Navigation decision point; at 137.8 miles (WY 789): Lane positioning matters here.
Who Is This Route For?
Family Friendly
Moderate complexity with 2 natural rest stops along the way.
The longest stretch is about 79.9 miles on US 20. The full list of main roads is in the Roads section above.
Yes — a 2-day pace is more comfortable than one long haul. A sensible stopping point is after roughly 205 miles on day one.
We did not find dedicated rest areas on this route. For a drive this long, plan bathroom and stretch breaks around gas stations, fast-food stops, or small-town downtowns — check the Nearby Places section for options.
It helps. This is a long drive, so arriving tired and in the dark compounds. If the last hour of the trip is on surface roads or mountain grades, aim to arrive at Gillette, WY before sunset when you can. Check the Trip Plan for departure windows that land you in daylight.
Only with planning. This is a long drive for kids — consider splitting it into two days rather than pushing through. Plan at least 2 meaningful breaks. Dedicated rest areas are limited, so plan gas or food stops as your bathroom breaks.
Mostly yes along the main roads, but rural stretches through WY can have sparse or no coverage. Before you leave, download offline Google Maps or Apple Maps for the route, and consider downloading music or podcasts instead of streaming. If you depend on data for navigation, keep a paper backup of the turn-by-turn directions.
The main spots that need attention: near the start (US 189 / Main Street): Navigation decision point; at 63 miles (WY 28 / Highway 28): Navigation decision point; at 137.8 miles (WY 789): Lane positioning matters here.
Not recommended in a single day. At 8.0 hours each way, a round trip means 16.0 hours of driving — that is an unsafe level of fatigue for most drivers. Plan at least one night at Gillette, WY before the return drive.
