This 104-mile drive from Gillette, WY, to Sheridan, WY, is an easy one-day trip, taking just under two hours. Primarily on I-90, you'll experience a highway-focused journey through the Mountain West region. With a fuel cost estimated at $17, this route is budget-friendly and straightforward. You won't need to break up the drive, and its short distance offers flexibility for when you want to depart. Consider this a practical, no-fuss connection between two points in Wyoming.
Trip Pace
Same-day drive is realistic
A same-day return is realistic if you keep stops short.
Midpoint
52.2 miles from Gillette, WY
A natural place for your longest stop of the day
, about 53m into the drive
.
Who Is This Route For?
Weekend Trip
Doable as a same-day drive at 1h 46m. Total distance: 104.4 miles.
Family Friendly
Moderate complexity with 0 natural rest stops along the way.
Expect a predominantly highway experience, with 97% of the drive utilizing major roads like I-90. You'll encounter one long stretch of 101 miles on I-90, meaning extended periods of consistent driving. The route begins on Coffeen Avenue and South Douglas Highway before merging onto the interstate, offering a brief transition before the main highway segment. This drive is characterized by its efficiency, keeping you moving steadily towards your destination.
Most of the miles stay on highways, which makes pacing and fuel planning easier than turn-by-turn city driving.
There are about 9 navigation steps in the underlying route data, so the final approach matters more than the middle miles.
I 90 is the longest continuous segment at about 101 miles.
How Hard Is This Drive?
This is a straightforward highway drive that stays mostly on I 90 and Coffeen Avenue. 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 Effort1/10
Very easy - short and simple to drive
Balances navigation complexity with total wheel time.
The drive from Gillette, WY to Sheridan, WY is easy. At 1h 46m with 97% 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 101.7 miles (I 90): Exit ramp - move to the correct lane early; at 102.1 miles (I 90 Business; US 14; US 87 / East Brundage Lane): Navigation decision point.
Critical Maneuvers
5 of 7 key points
These 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
101.7 mi into trip|~1h 42m in|I 90
Take the exit onto I 90 toward Brundage Lane
Exit ramp - move to the correct lane early
Toward Brundage Lane
4
102.1 mi into trip|~1h 43m in|I 90 Business; US 14; US 87 / East Brundage Lane
Turn left onto I 90 Business; US 14; US 87 / East Brundage Lane
Navigation decision point
4
102.5 mi into trip|~1h 43m in|I 90 Business; US 14 Business; US 87 Business / Coffeen Avenue
Turn right onto I 90 Business; US 14 Business; US 87 Business / Coffeen Avenue
Navigation decision point
5
104.4 mi into trip|~1h 46m in|West Loucks Street
Turn left onto West Loucks Street
Navigation decision point
Main Roads
Road
Distance
Duration
I 90
101 mi
1h 39m
Coffeen Avenue
1.8 mi
2m
South Douglas Highway
0.7 mi
2m
East 4th Street
0.4 mi
1m
East Brundage Lane
0.3 mi
<1m
South Main Street
0.1 mi
<1m
West Loucks Street
<0.1 mi
<1m
Longest stretch:
I 90
— 101 mi, about 1h 39m
Turn-by-Turn Driving Directions
Step-by-step road directions between Gillette, WY and Sheridan, WY.
1
Start on East 4th Street
0.4 mi·1 min·East 4th Street
2
Turn right onto WY 59
0.7 mi·2 min·South Douglas Highway
3
Take the ramp onto I 90
101 mi·1 hr 39 min·I 90
4
Take the exit onto I 90
0.4 mi·57 sec·I 90
Toward Brundage Lane
5
Turn left onto I 90 Business; US 14; US 87
0.3 mi·36 sec·East Brundage Lane
6
Turn right onto I 90 Business; US 14 Business; US 87 Business
1.8 mi·2 min·Coffeen Avenue
7
Turn right onto I 90 Business; US 14 Business; US 87 Business
0.1 mi·18 sec·South Main Street
8
Turn left onto West Loucks Street
80 ft·1 sec·West Loucks Street
9
Arrive at destination
West Loucks Street
Trip Plan
Given the short 1 hour and 46-minute duration, you have ample flexibility in planning your departure. Leaving Gillette in the morning allows you to arrive in Sheridan with plenty of daylight. While there are no specific stops noted, you can easily make a brief fuel or restroom break along I-90 if needed. The longest stretch is over 100 miles, so be sure to top off your gas before leaving Gillette to comfortably cover the 104.4 miles to Sheridan without needing to refuel mid-journey.
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 52.2 miles from Gillette, WY, or about 53m into the drive.
The longest continuous stretch on this route runs about 101 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 23 miles or 24m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 52.2 miles or 53m in
This is the best place for your longest stop, a real meal, and a full fuel check.
Final approach
Final hour starts around 1h 26m
Traffic, exits, and arrival timing usually matter more near Sheridan, 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.
Day 1
Settle into the route from Gillette, WY
This is one driving day of about 104.4 miles and 1h 46m.
Your first comfortable stop window is around 23 miles from Gillette, WY.
This route can stay practical as a one-day drive if traffic stays reasonable.
The longest stretch is on I 90 for about 101 miles.
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Halfway Point
Midpoint
About 52.2 mi from Gillette, WY
· 53m into the drive
Place data sourced from public business listings. Hours and availability may vary.
Fuel & Cost
Regular Gas
$16.54 one way
$33.09 round trip
$4.03/gal25.4 MPG avg37 kg CO2
Fuel Type
$/gal
One Way
Round Trip
midgrade
$4.22
$17.34
$34.68
premium
$4.53
$18.62
$37.25
diesel
$5.61
$23.05
$46.10
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$17
Meals
$25–$50
Total
$42–$67
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 36.5 kg one way.
Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $11 in charging
· 0 stops
· 68% less CO2
Vehicle Type
kWh
Stops
DC Fast
Home Charge
Average EV
31.3
0
$10.96
$5.01
Efficient EV
26.1
0
$9.14
$4.18
EV Truck/SUV
41.8
0
$14.62
$6.68
Gas CO2
37 kg
EV CO2
12 kg (68% 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.
Forecast as of Apr 15, 2026
Origin
Gillette, WY
Evening
in Gillette on Friday
Local time
8:10 PM
MDT
Current temp
73°F
Unavailable
Live forecast
Destination
Sheridan, WY
Evening
in Sheridan on Friday
Local time
8:10 PM
MDT
Current temp
71°F
Unavailable
Live forecast
69°F
Buffalo, WY
52 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
2 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
1h 46m 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 Gillette, WY to Sheridan, WY covers 104.4 miles and takes about 1h 46m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are I 90, Coffeen Avenue, South Douglas Highway. Most of the drive stays on highways, so watch for ramps and exits.
This is a comfortable same-day trip.
The midpoint is about 52.2 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 $16.54 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 Sheridan, WY is easy. At 1h 46m with 97% 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 101.7 miles (I 90): Exit ramp - move to the correct lane early; at 102.1 miles (I 90 Business; US 14; US 87 / East Brundage Lane): Navigation decision point.
The route from Gillette, WY to Sheridan, 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, EIA for fuel prices, and NPS for national parks. See our methodology for refresh cadence and limitations.
