Origin
Gillette, WY
Morning in Gillette on Thursday
Local time
11:54 AM
MDT
Current temp
73°F
Unavailable
Live forecast
Trip from Gillette, WY to Buffalo, WY
Last recalculated Apr 16, 2026
Drive Time
1h 12m
Distance
71.4 mi
115 km
Drive Score
7/10
Good drive
Same Day?
Yes, doable
Fuel Cost
$11
one way
EV Charging
Unknown
Best Time to Leave
4 AM
1h 7m
★
6 AM
1h 12m
8 AM
1h 24m
10 AM
1h 16m
12 PM
1h 15m
3 PM
1h 17m
5 PM
1h 23m
8 PM
1h 9m
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Gillette, WY
Wikimedia Commons
Buffalo, WY
Wikimedia Commons
Trip Overview
The drive from Gillette, WY to Buffalo, WY covers 71.4 miles and takes about 1h 12m behind the wheel. This route is realistic as a one-day drive if you keep your stops efficient.
The route leans on I 90, US Highway 16 East, South Douglas Highway for much of the mileage, and the overall profile is highway-focused drive. The longest uninterrupted segment is about 67.4 miles on I 90. At current regular gas prices, budget about $11.31 one way before food or hotel costs.
Who Is This Route For?
Weekend Trip
Doable as a same-day drive at 1h 12m. Total distance: 71.4 miles.
Family Friendly
Moderate complexity with 0 natural rest stops along the way.
Solo Traveler
1h 12m drive, comfortable solo distance.
EV Driver
0 DC fast chargers along the route. Coverage: unknown.
First-Time Driver
Mostly highway driving (97%). Straightforward navigation.
Drive Character
This is a 1h 12m highway drive covering 71.4 miles, with most of the trip on I 90 and US Highway 16 East. The longest continuous stretch is about 67.4 miles on I 90.
Most of the miles stay on highways, which makes pacing and fuel planning easier than turn-by-turn city driving.
There are about 8 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 67.4 miles.
How Hard Is This Drive?
This is a straightforward highway drive that stays mostly on I 90 and US Highway 16 East. 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 Buffalo, WY is easy. At 1h 12m 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 1.1 miles (I 90): Navigation decision point; at 68.6 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.
4
0.4 mi into trip
|
~1m in
|
WY 59 / South Douglas Highway
Turn right onto WY 59 / South Douglas Highway
Navigation decision point
3
1.1 mi into trip
|
~3m in
|
I 90
Take the ramp onto I 90
Navigation decision point
6
68.6 mi into trip
|
~1h 7m in
Take the exit toward US 16, I 90 Business: Buffalo Ucross
Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one
Exit 58
Toward US 16, I 90 Business: Buffalo Ucross
5
68.8 mi into trip
|
~1h 8m in
|
I 90 Bus; US 16 / US Highway 16 East
Turn left onto I 90 Bus; US 16 / US Highway 16 East
Lane positioning matters here
Use the straight lane.
7
71 mi into trip
|
~1h 11m in
|
I 25 Bus; US 16; US 87 Bus / North Main Street
At end of road, turn left onto I 25 Bus; US 16; US 87 Bus / North Main Street
Lane positioning matters here
Use the left lane.
Main Roads
| Road | Distance | Duration |
|---|---|---|
| I 90 | 67.4 mi | 1h 4m |
| US Highway 16 East | 1.6 mi | 2m |
| South Douglas Highway | 0.7 mi | 2m |
| East Hart Street | 0.6 mi | 1m |
| North Main Street | 0.4 mi | <1m |
| East 4th Street | 0.4 mi | 1m |
Longest stretch:
I 90
— 67.4 mi, about 1h 4m
Turn-by-Turn Driving Directions
Step-by-step road directions between Gillette, WY and Buffalo, 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
67 mi
·
1 hr 4 min
·
I 90
4
Take the exit
0.2 mi
·
34 sec
Exit 58
Toward US 16, I 90 Business: Buffalo Ucross
5
Turn left onto I 90 Bus; US 16
1.6 mi
·
2 min
·
US Highway 16 East
Use the straight lane.
6
Continue on I 90 Bus; US 16
0.6 mi
·
1 min
·
East Hart Street
Use the straight lane.
7
At end of road, turn left onto I 25 Bus; US 16; US 87 Bus
0.4 mi
·
36 sec
·
North Main Street
Use the left lane.
8
Arrive at destination
I 25 Bus; US 16; US 87 Bus
Fuel & Cost
Regular Gas
$11.31 one way
$22.63 round trip
$4.03/gal
25.4 MPG avg
25 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.22 | $11.86 | $23.72 |
| premium | $4.53 | $12.74 | $25.47 |
| diesel | $5.61 | $15.76 | $31.53 |
No toll roads detected on this route.
Drive Cost (one way)
Fuel
$11
Estimated CO2 emission: 25 kg one way. Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $8 in charging · 0 stops · 68% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 21.4 | 0 | $7.50 | $3.43 |
| Efficient EV | 17.9 | 0 | $6.25 | $2.86 |
| EV Truck/SUV | 28.6 | 0 | $10.00 | $4.57 |
Gas CO2
25 kg
EV CO2
8 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.
Destination
Buffalo, WY
Morning in Buffalo on Thursday
Local time
11:54 AM
MDT
Current temp
69°F
Unavailable
Live forecast
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
4 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 12m 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 Buffalo, WY covers 71.4 miles and takes about 1h 12m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are I 90, US Highway 16 East, 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 35.7 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 $11.31 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 Buffalo, WY is easy. At 1h 12m 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 1.1 miles (I 90): Navigation decision point; at 68.6 miles: Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one.
The route from Gillette, WY to Buffalo, WY does not surface many named destination signs beyond the main corridor.
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