Origin
Mills, WY
Afternoon in Mills on Sunday
Local time
3:28 PM
MDT
Current temp
39°F
Unavailable
Live forecast
Trip from Mills, WY to Cheyenne, WY
Drive Time
3h
Distance
180.8 mi
291 km
Drive Score
8/10
Great drive
Same Day?
Yes, doable
Fuel Cost
$29
one way
EV Charging
Loading...
station data
Best Time to Leave
4 AM
2h 49m
★
6 AM
3h 1m
8 AM
3h 23m
10 AM
3h 9m
12 PM
3h 6m
3 PM
3h 10m
5 PM
3h 22m
8 PM
2h 54m
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Mills, WY
Dan Stone
Cheyenne, WY
Robert Moss
Trip Overview
Stretching 180.8 miles across the Mountain West, the drive from Mills to Cheyenne is a straightforward journey that typically takes about 3 hours to complete. Because of the manageable duration, this route is perfectly suited for a single-day trip, allowing you to reach your destination without the need for an overnight stay. You can expect to spend approximately $29 on fuel for the trip, making it a budget-friendly option for travelers. The route primarily utilizes I-25, transitioning into local roads like West 1st Street and Central Avenue as you arrive in Cheyenne. Whether you are commuting or exploring, this path offers a reliable, no-nonsense connection between these two Wyoming locations.
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
90.4 miles from Mills, WY
A natural place for your longest stop of the day , about 1h 34m into the drive .
Drive Character
This trip is a quintessential highway-focused drive, with 97% of your travel occurring on major thoroughfares. You will spend the vast majority of your time on I-25, which accounts for a massive 175.2-mile uninterrupted stretch of the journey. Behind the wheel, you should prepare for a consistent, high-speed pace that characterizes this corridor of the Mountain West. While the interstate dominates the experience, the final miles shift to local streets, providing a transition from open highway cruising to the urban environment of Cheyenne. It is a steady, predictable drive that allows you to maintain momentum throughout the duration of your trip.
Most of the miles stay on highways, which makes pacing and fuel planning easier than turn-by-turn city driving.
There are about 15 navigation steps in the underlying route data, so the final approach matters more than the middle miles.
I 25 is the longest continuous segment at about 175.2 miles.
How Hard Is This Drive?
This is a straightforward highway drive that stays mostly on I 25 and Central Avenue. Navigation is very simple — set it and forget it for most of the drive. The trickiest moment comes around 0.5 miles in near US 20 Business; US 26 Business / West Yellowstone Highway.
Route Complexity
1/10
Very easy - short and simple to drive
The drive from Mills, WY to Cheyenne, WY is easy. At 3h with 97% highway, most drivers will find it relaxed and low-stress.
Where does it get tricky?
The main spots that need attention: at 0.5 miles (US 20 Business; US 26 Business / West Yellowstone Highway): Navigation decision point; at 1.9 miles (WY 220 / North Poplar Street): Navigation decision point; at 2.6 miles: Navigation decision point.
Critical Maneuvers
5 of 6 key pointsThese are the spots where you need to pay the most attention. Preview them before you drive.
4
0.5 mi into trip
|
~1m in
|
US 20 Business; US 26 Business / West Yellowstone Highway
Turn right onto US 20 Business; US 26 Business / West Yellowstone Highway
Navigation decision point
3
1.9 mi into trip
|
~3m in
|
WY 220 / North Poplar Street
Turn left onto WY 220 / North Poplar Street
Navigation decision point
3
2.6 mi into trip
|
~4m in
Take the ramp
Navigation decision point
3
2.8 mi into trip
|
~5m in
|
I 25; US 20; US 26; US 87
Merge onto I 25; US 20; US 26; US 87
Merge point - match speed before joining
6
178.1 mi into trip
|
~2h 56m in
|
I 25 BUS; US 85; US 87 BUS
Take the exit onto I 25 BUS; US 85; US 87 BUS toward I 25 Business, US 85 South: Central Avenue, Warren Gate 5
Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one
Exit 12
Toward I 25 Business, US 85 South: Central Aven...
Main Roads
| Road | Distance | Duration |
|---|---|---|
| I 25 | 175.2 mi | 2h 51m |
| Central Avenue | 2.4 mi | 3m |
| West 1st Street | 1 mi | 1m |
| North Poplar Street | 0.7 mi | 1m |
| West Yellowstone Highway | 0.4 mi | <1m |
| 1st Street | 0.3 mi | <1m |
| I 25 BUS | 0.3 mi | <1m |
| Van Horn Avenue | 0.2 mi | <1m |
Longest stretch:
I 25
— 175.2 mi, about 2h 51m
Turn-by-Turn Driving Directions
Step-by-step road directions between Mills, WY and Cheyenne, WY.
1
Start on 1st Street
0.3 mi
·
45 sec
·
1st Street
2
Continue on Van Horn Avenue
0.2 mi
·
32 sec
·
Van Horn Avenue
3
Turn right onto US 20 Business; US 26 Business
0.4 mi
·
37 sec
·
West Yellowstone Highway
4
Continue on US 20 Business; US 26 Business
1.0 mi
·
1 min
·
West 1st Street
5
Turn left onto WY 220
0.7 mi
·
1 min
·
North Poplar Street
6
Take the ramp
0.2 mi
·
25 sec
7
Merge onto I 25; US 20; US 26; US 87
62 mi
·
1 hr 4 min
·
I 25; US 20; US 26; US 87
8
Continue on I 25; US 26; US 87
34 mi
·
31 min
·
I 25; US 26; US 87
9
Continue on I 25; US 87
76 mi
·
1 hr 10 min
·
I 25; US 87
Toward Cheyenne
10
Continue on I 25; US 85; US 87
4.0 mi
·
4 min
·
I 25; US 85; US 87
11
Take the exit onto I 25 BUS; US 85; US 87 BUS
0.3 mi
·
35 sec
·
I 25 BUS; US 85; US 87 BUS
Exit 12
Toward I 25 Business, US 85 South: Central Avenue, Warren Gate 5
12
Turn left onto I 25 BUS; US 85; US 87 BUS
0.8 mi
·
1 min
·
Central Avenue
13
Continue on I 25 BUS; US 85; US 87 BUS
1.6 mi
·
1 min
·
Central Avenue
14
Turn right onto West 24th Street
401 ft
·
10 sec
·
West 24th Street
15
Arrive at destination
West 24th Street
Trip Plan
Given the 3-hour duration, you have plenty of flexibility regarding your departure time, though planning for at least one stop is recommended to break up the long interstate stretch. Since the route is almost entirely highway-based, keep a close eye on your fuel gauge before leaving Mills to ensure you stay within your $29 budget. Traffic patterns can vary, so check local conditions on I-25 before you head out to avoid any unexpected delays. A helpful tip for this specific drive is to utilize your single planned stop to stretch your legs, as the long, 175.2-mile stretch on the interstate can become monotonous for the driver. By pacing yourself, you can ensure a comfortable arrival in Cheyenne.
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 90.4 miles from Mills, WY, or about 1h 34m into the drive.
The longest continuous stretch on this route runs about 175.2 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 80 miles or 1h 24m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 90.4 miles or 1h 34m 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 28m
Traffic, exits, and arrival timing usually matter more near Cheyenne, WY than in the middle of the route.
Before You Leave
+
Open the route before leaving Mills, 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 Mills, WY
This is one driving day of about 180.8 miles and 3h.
Your first comfortable stop window is around 80 miles from Mills, 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 I 25 for about 175.2 miles.
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Halfway Point
Midpoint
About 90.4 mi from Mills, WY · 1h 34m into the drive
Mid-route town
Meal stop
90 mi into the route
Best for: Lunch, fuel, and a longer reset
This sits close to the middle of the route, so it works well for the longest stop of the day.
Pacing Suggestions
Fuel and coffee
A short stop after about 80 miles helps settle the day before fatigue starts building.
Meal break
The midpoint is around 90.4 miles from Mills, WY, which is a good place for a longer meal and fuel stop.
Before the longest stretch
Fuel checkTop up before I 25 if your tank is already low. That segment runs about 175.2 miles.
Arriving in Cheyenne, WY
The final approach into Cheyenne, WY usually feels slower than the middle of the drive, so avoid planning your tightest schedule at the very end.
Try to arrive with enough fuel left to skip an immediate station stop unless you already know the area around Cheyenne, WY.
After long uninterrupted mileage, take five minutes before the last urban segment to reset and refocus on exits, merges, and city traffic.
These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.
Fuel & Cost
Regular Gas
$28.65 one way
$57.30 round trip
$4.03/gal
25.4 MPG avg
63 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.23 | $30.12 | $60.23 |
| premium | $4.53 | $32.24 | $64.48 |
| diesel | $5.64 | $40.17 | $80.33 |
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$29
Meals
$25–$50
Total
$54–$79
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 63.3 kg one way. Prices: EIA weekly data, 2026-04-06.
Driving Electric?
About $19 in charging · 0 stops · 67% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 54.2 | 0 | $18.98 | $8.68 |
| Efficient EV | 45.2 | 0 | $15.82 | $7.23 |
| EV Truck/SUV | 72.3 | 0 | $25.31 | $11.57 |
Gas CO2
63 kg
EV CO2
21 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
Cheyenne, WY
Afternoon in Cheyenne on Sunday
Local time
3:28 PM
MDT
Current temp
35°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
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
3h 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 Mills, WY to Cheyenne, WY covers 180.8 miles and takes about 3h without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are I 25, Central Avenue, West 1st Street. Most of the drive stays on highways, so watch for ramps and exits.
This is a comfortable same-day trip.
The midpoint is about 90.4 miles from Mills, WY. Look for rest areas, gas stations, or food options near the halfway mark.
At current regular gas prices, expect to spend about $28.65 one way. This estimate uses 25.4 MPG — your actual cost will vary with your vehicle's fuel efficiency and current gas prices.
An early start around 7-8 AM gets you there with plenty of daylight left. A late afternoon start means arriving after dark. Morning is better.
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 Mills, WY to Cheyenne, WY is easy. At 3h with 97% highway, most drivers will find it relaxed and low-stress.
The main spots that need attention: at 0.5 miles (US 20 Business; US 26 Business / West Yellowstone Highway): Navigation decision point; at 1.9 miles (WY 220 / North Poplar Street): Navigation decision point; at 2.6 miles: Navigation decision point.
The route from Mills, WY to Cheyenne, WY does not surface many named destination signs beyond the main corridor.
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