Origin
Glenrock, WY
Afternoon in Glenrock on Thursday
Local time
12:54 PM
MDT
Current temp
74°F
Unavailable
Live forecast
Trip from Glenrock, WY to Riverton, WY
Last recalculated Apr 16, 2026
Drive Time
2h 44m
Distance
144.6 mi
233 km
Drive Score
10/10
Great drive
Same Day?
Yes, doable
Fuel Cost
$23
one way
EV Charging
Unknown
Best Time to Leave
4 AM
2h 33m
★
6 AM
2h 44m
8 AM
3h 6m
10 AM
2h 52m
12 PM
2h 50m
3 PM
2h 53m
5 PM
3h 5m
8 PM
2h 38m
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Glenrock, WY
Wikimedia Commons
Riverton, WY
Wikimedia Commons
Trip Overview
The drive from Glenrock, WY to Riverton, WY covers 144.6 miles and takes about 2h 44m behind the wheel. This route is realistic as a one-day drive if you keep your stops efficient.
The route leans on West Yellowstone Highway, I 25, US 26 for much of the mileage, and the overall profile is mixed drive. The longest uninterrupted segment is about 94.3 miles on West Yellowstone Highway. At current regular gas prices, budget about $22.91 one way before food or hotel costs.
Trip Pace
Same-day drive is realistic
A same-day return is realistic if you keep stops short.
Break Rhythm
1 planned break
A short stop every 2 to 3 hours is enough for this drive.
Midpoint
72.3 miles from Glenrock, WY
A natural place for your longest stop of the day , about 1h 22m into the drive .
Who Is This Route For?
Weekend Trip
Doable as a same-day drive at 2h 44m. Total distance: 144.6 miles.
Family Friendly
Moderate complexity with 1 natural rest stops along the way.
Solo Traveler
2h 44m drive, comfortable solo distance.
First-Time Driver
Mostly highway driving (33%). Straightforward navigation.
Scenic Drive
Mixed drive route profile.
Drive Character
The drive from Glenrock, WY to Riverton, WY covers 144.6 miles and takes about 2h 44m, using a mix of highways and local roads.
Expect a mix of faster highway mileage and slower local approaches near the beginning or end.
There are about 11 navigation steps in the underlying route data, so the final approach matters more than the middle miles.
West Yellowstone Highway is the longest continuous segment at about 94.3 miles.
How Hard Is This Drive?
This route mixes highway mileage with some local-road sections near the start or finish. Navigation is very simple - set it and forget it for most of the drive. The trickiest moment comes early in the drive near I 25 Business; WY 95 / South 4th Street.
Driving Effort
2/10
Very easy - short and simple to drive
Balances navigation complexity with total wheel time.
The drive from Glenrock, WY to Riverton, WY is easy. At 2h 44m with 33% highway, most drivers will find it relaxed and low-stress.
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 2 miles (I 25): Navigation decision point; at 25.3 miles: Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one.
Critical Maneuvers
5 of 5 key pointsThese are the spots where you need to pay the most attention. Preview them before you drive.
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
3
2 mi into trip
|
~3m in
|
I 25
Take the ramp onto I 25
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
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 Riverton, WY, road signs begin pointing toward Port Of Entry along the way.
Port Of Entry
25.3 mi in
|
~27m
Main Roads
| Road | Distance | Duration |
|---|---|---|
| West Yellowstone Highway | 94.3 mi | 1h 47m |
| I 25 | 23.3 mi | 24m |
| US 26 | 21.6 mi | 24m |
| US 20 | 3 mi | 3m |
| Deer Creek Road | 1.4 mi | 2m |
| South 4th Street | 0.6 mi | <1m |
| West Birch Street | <0.1 mi | <1m |
| North Federal Boulevard | — | — |
Some road-level metrics are being recalculated.
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 Riverton, 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
3.9 mi
·
4 min
·
US 26; WY 789
Use the straight lane.
11
Arrive at destination
US 26; WY 789
Trip Plan
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.
Plan roughly 1 meaningful break for fuel, food, and rest.
The halfway point lands around 72.3 miles from Glenrock, WY, or about 1h 22m 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 32 miles or 36m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 72.3 miles or 1h 22m 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 14m
Traffic, exits, and arrival timing usually matter more near Riverton, 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 144.6 miles and 2h 44m.
Your first comfortable stop window is around 32 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.
Fuel & Cost
Regular Gas
$22.91 one way
$45.83 round trip
$4.03/gal
25.4 MPG avg
51 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.22 | $24.02 | $48.04 |
| premium | $4.53 | $25.79 | $51.59 |
| diesel | $5.61 | $31.93 | $63.85 |
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$23
Meals
$25–$50
Total
$48–$73
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 50.6 kg one way. Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $15 in charging · 0 stops · 67% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 43.4 | 0 | $15.18 | $6.94 |
| Efficient EV | 36.2 | 0 | $12.65 | $5.78 |
| EV Truck/SUV | 57.8 | 0 | $20.24 | $9.25 |
Gas CO2
51 kg
EV CO2
17 kg (67% 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
Riverton, WY
Afternoon in Riverton on Thursday
Local time
12:54 PM
MDT
Current temp
75°F
Unavailable
Live forecast
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
1 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
2h 44m on the road
Use the two city cards together: check the sky where you start, then compare it with the local time and temperature at arrival.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
Frequently Asked Questions
The drive from Glenrock, WY to Riverton, WY covers 144.6 miles and takes about 2h 44m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are West Yellowstone Highway, I 25, US 26. Expect a mix of highway and local road driving.
This is a comfortable same-day trip.
The midpoint is about 72.3 miles from Glenrock, WY. Look for rest areas, gas stations, or food options near the halfway mark.
At current regular gas prices, expect to spend about $22.91 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.
Plan about 1 meaningful break for fuel, food, or rest. A short stop every 2 to 3 hours is enough for this drive.
The drive from Glenrock, WY to Riverton, WY is easy. At 2h 44m with 33% highway, most drivers will find it relaxed and low-stress.
The main spots that need attention: near the start (I 25 Business; WY 95 / South 4th Street): Navigation decision point; at 2 miles (I 25): Navigation decision point; at 25.3 miles: Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one.
On the drive from Glenrock, WY to Riverton, WY, road signs begin pointing toward Port Of Entry along the way.
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