Traveling from Glenrock to Jackson covers 308 miles across the Mountain West, typically taking about 5 hours and 58 minutes of drive time. While this trip is technically feasible as a one-day haul, it is a significant commitment that requires careful pacing to avoid fatigue. Budgeting roughly $49 for fuel is a smart baseline, though local fluctuations may apply. You will primarily navigate via West Yellowstone Highway, East Main Street, and US 26 / US 287. Because this is a substantial trek through the heart of Wyoming, decide if you prefer an early start to reach your destination by evening or if you would rather break the journey into two days for a more relaxed pace.
Trip Pace
Same-day drive is realistic
A same-day return is possible, but it will make for a full day on the road.
Break Rhythm
1 planned break
Plan on a short reset every 3 to 4 hours to stay fresh behind the wheel.
Midpoint
154 miles from Glenrock, WY
A natural place for your longest stop of the day
, about 2h 54m into the drive
.
Main Roads
Road
Distance
Duration
West Yellowstone Highway
94.3 mi
1h 47m
East Main Street
77.9 mi
1h 27m
US 26 / US 287
53.2 mi
1h
North Highway 89
29.3 mi
40m
I 25
23.3 mi
24m
US 26
21.6 mi
24m
US 20
3 mi
3m
East Ramshorn Street
2.2 mi
2m
Longest stretch:
West Yellowstone Highway
— 94.3 mi, about 1h 47m
Turn-by-Turn Driving Directions
Step-by-step road directions between Glenrock, WY and Jackson, WY.
1
Start on US 20; US 26; US 87
23 ft·2 sec·West Birch Street
2
Turn right onto I 25 Business; WY 95
0.6 mi·50 sec·South 4th Street
3
Continue on I 25 Business; WY 95
1.4 mi·2 min·Deer Creek Road
4
Take the ramp onto I 25
23 mi·24 min·I 25
5
Take the exit
0.3 mi·45 sec
Toward US 20 West, US 26 West, WY 220 West: Shoshoni, Port of Entry
6
Keep slight left at fork
350 ft·10 sec
7
Turn left onto US 20; US 26
3.0 mi·3 min·US 20; US 26
8
Turn right onto US 20; US 26
94 mi·1 hr 47 min·West Yellowstone Highway
9
Continue on US 26; WY 789
18 mi·20 min·US 26; WY 789
10
Continue on US 26; WY 789
4.0 mi·4 min·US 26; WY 789
Use the straight lane.
11
Turn right onto US 26
78 mi·1 hr 27 min·East Main Street
12
Turn left onto US 26; US 287
2.2 mi·2 min·East Ramshorn Street
13
Continue on US 26; US 287
53 mi·1 hr·US 26 / US 287
14
Continue on US 26; US 89; US 191
23 mi·32 min·North Highway 89
15
Enter roundabout onto US 26; US 89; US 191
97 ft·5 sec·North Highway 89
16
Continue on US 26; US 89; US 191
6.0 mi·8 min·North Highway 89
17
Continue on US 26; US 89; US 191
0.8 mi·2 min·North Cache Street
18
Arrive at destination
US 26; US 89; US 191
Trip Plan
For a successful 308-mile journey, try to depart early in the morning to maximize daylight and minimize the stress of arriving late. You should plan for at least one dedicated stop to stretch your legs and manage the nearly six-hour duration effectively. Given that fuel costs hover around $49, keep an eye on your gauge during the 94.3-mile stretch on the West Yellowstone Highway to ensure you don't run low in remote areas. Since this route is a full-day commitment, prioritize comfort and hydration throughout the drive. Use the flexibility of your one-stop itinerary to pull over whenever you feel the need to reset, ensuring you arrive in Jackson refreshed rather than exhausted.
Morning Departure
An early start around 7-8 AM gets you there with plenty of daylight left.
Evening Departure
A late afternoon start means arriving after dark. Morning is better.
You can normally do this drive in one day.
Plan roughly 1 meaningful break for fuel, food, and rest.
The halfway point lands around 154 miles from Glenrock, WY, or about 2h 54m into the drive.
The longest continuous stretch on this route runs about 94.3 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 68 miles or 1h 17m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 154 miles or 2h 54m in
This is the best place for your longest stop, a real meal, and a full fuel check.
Final approach
Final hour starts around 4h 46m
Traffic, exits, and arrival timing usually matter more near Jackson, WY than in the middle of the route.
Before You Leave
+
Open the route before leaving Glenrock, 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 Glenrock, WY
This is one driving day of about 308 miles and 5h 58m.
Your first comfortable stop window is around 68 miles from Glenrock, WY.
This route can stay practical as a one-day drive if traffic stays reasonable.
Plan about 1 real break rather than only quick fuel stops.
The longest stretch is on West Yellowstone Highway for about 94.3 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 8
5 decision points cluster between mile 0 and 301.2 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
3
0 mi into trip|~0m in|I 25 Business; WY 95 / South 4th Street
Turn right onto I 25 Business; WY 95 / South 4th Street
Navigation decision point
5
25.3 mi into trip|~27m in
Take the exit toward US 20 West, US 26 West, WY 220 West: Shoshoni, Port of Entry
Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one
Toward US 20 West, US 26 West, WY 220 West: Sho...
4
25.7 mi into trip|~28m in
Keep slight left at fork
Highway fork - watch signs carefully
4
28.7 mi into trip|~32m in|US 20; US 26 / West Yellowstone Highway
Turn right onto US 20; US 26 / West Yellowstone Highway
Navigation decision point
4
301.2 mi into trip|~5h 47m in|US 26; US 89; US 191 / North Highway 89
Enter roundabout onto US 26; US 89; US 191 / North Highway 89
Roundabout - know your exit number before entering
Fuel & Cost
Regular Gas
$48.81 one way
$97.61 round trip
$4.03/gal25.4 MPG avg108 kg CO2
Fuel Type
$/gal
One Way
Round Trip
midgrade
$4.22
$51.16
$102.32
premium
$4.53
$54.94
$109.89
diesel
$5.61
$68.00
$136.01
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$49
Meals
$25–$50
Total
$74–$99
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 107.8 kg one way.
Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $32 in charging
· 1 stop
· 67% less CO2
Vehicle Type
kWh
Stops
DC Fast
Home Charge
Average EV
92.4
1
$32.34
$14.78
Efficient EV
77
0
$26.95
$12.32
EV Truck/SUV
123.2
1
$43.12
$19.71
Gas CO2
108 kg
EV CO2
36 kg (67% 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 13, 2026
Origin
Glenrock, WY
Evening
in Glenrock on Saturday
Local time
7:10 PM
MDT
Current temp
37°F
Mostly Clear
SW 5 to 10 mph6% chanceLive forecast
Red Flag Warning
Red Flag Warning issued April 12 at 12:12PM MDT until April 13 at 9:00PM MDT by NWS Rapid City SD
Red Flag Warning
Red Flag Warning issued April 12 at 11:29AM MDT until April 13 at 8:00PM MDT by NWS Cheyenne WY
Destination
Jackson, WY
Evening
in Jackson on Saturday
Local time
7:10 PM
MDT
Current temp
31°F
Slight Chance T-storms
SSW 8 mph69% chanceLive forecast
Red Flag Warning
Red Flag Warning issued April 12 at 12:12PM MDT until April 13 at 9:00PM MDT by NWS Rapid City SD
Red Flag Warning
Red Flag Warning issued April 12 at 11:29AM MDT until April 13 at 8:00PM MDT by NWS Cheyenne WY
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
6 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
5h 58m on the road
An early start around 7-8 AM gets you there with plenty of daylight left.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
National Parks Near This Route
Worth a detour if your schedule allows.
Grand Teton National Park
National Park
Soaring over a landscape rich with wildlife, pristine lakes, and majestic alpine vistas, the Teton Range stands as a testament to generations of stewards. For over 11,000 years, communities have thriv...
6 mi from route
~16 min detour
$35
near mile 286.8
Park data from the National Park Service API. Alerts update every 2 hours.
More Details
What kind of drive is this?
Expect a mixed driving experience that transitions through varied road types, with highway travel accounting for 42% of the total distance. You will encounter a longest uninterrupted stretch of 94.3 miles on the West Yellowstone Highway, which requires steady focus and preparation for extended periods behind the wheel. The route shifts between faster highway sections and more localized road segments, creating a dynamic feel that keeps you engaged. Prepare for the reality of a 308-mile journey that demands consistent attention to changing road conditions. Whether you are cruising through open stretches or navigating tighter connections, the character of this drive is defined by its length and the steady transition toward Jackson.
42% highway, the rest on surface roads — varied driving throughout.
18 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 94.3 mi on West Yellowstone Highway.
How Hard Is This Drive?
3/10
This route mixes highway mileage with some local-road sections near the start or finish. There are only a few real navigation decisions along the way. The trickiest moment comes early in the drive near I 25 Business; WY 95 / South 4th Street.
Driving Effort3/10
Easy - simple navigation with a manageable amount of wheel time
Balances navigation complexity with total wheel time.
This is a straightforward 5h 58m drive. You will face about 8 decision points, but nothing that requires special attention if you follow navigation.
Where does it get tricky?
The main spots that need attention: near the start (I 25 Business; WY 95 / South 4th Street): Navigation decision point; at 25.3 miles: Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one; at 25.7 miles: Highway fork - watch signs carefully.
Towns Mentioned on Route Signs
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
On the drive from Glenrock, WY to Jackson, WY, road signs begin pointing toward Port Of Entry along the way.
Port Of Entry
25.3 mi in|~27m
Who Is This Route For?
Weekend Trip
Doable as a same-day drive at 5h 58m. Total distance: 308 miles.
Family Friendly
Moderate complexity with 1 natural rest stops along the way.
Mixed highway & surface route profile with national parks nearby.
Frequently Asked Questions
The longest stretch is about 94.3 miles on West Yellowstone Highway. The full list of main roads is in the Roads section above.
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.
Only with planning. This is a long drive for kids — consider splitting it into two days rather than pushing through. Plan at least 1 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 (I 25 Business; WY 95 / South 4th Street): Navigation decision point; at 25.3 miles: Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one; at 25.7 miles: Highway fork - watch signs carefully.
Yes — Grand Teton National Park. See the National Parks section for detour distances and tips on detours.
Not recommended in a single day. At 6.0 hours each way, a round trip means 11.9 hours of driving — that is an unsafe level of fatigue for most drivers. Plan at least one night at Jackson, WY before the return drive.
