How far is Cheyenne, WY from Mills, WY?
The driving distance from Cheyenne, WY to Mills, WY is about 180.8 miles (291 km), with a travel time of about 03h 01m by car.
- The straight-line flight distance is about 141.8 miles (228.2 km).
- For a round trip, plan for roughly 06h 02m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM MDT.
Reverse, save, or send this route
This drive is better planned with a longer stop or an overnight stay. Copy the route link, send it to another device, or print a clean version before you head out.
This drive is better planned with a longer stop or an overnight stay.
Flight Distance
Driving Distance
Gas Cost Calculator
Leave and Arrive Planner
Pick a departure time to see your estimated arrival and same-day return window.
Drive time stays fixed at 03h 01m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
You are leaving earlier than the recommended window, which gives you extra margin for breaks and traffic.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
Town in Platte County, Wyoming, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Mostly Sunny then Showers And Thunderstorms Likely
Driving Route Map
The map below follows the saved road route between Cheyenne and Mills.
Turn-by-Turn Driving Directions
Step-by-step road directions between Cheyenne and Mills.
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1
Start on West 24th Street
89 m · 12 sec · West 24th Street
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2
Turn right onto Carey Avenue
565 ft · 13 sec · Carey Avenue
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3
Turn slight left onto Randall Avenue
1.5 km · 2 min · Randall Avenue
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4
Turn right onto Hynds Boulevard
103 m · 6 sec · Hynds Boulevard
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5
Take the ramp straight
1190 ft · 29 sec
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6
Merge slight left
1.5 mi · 2 min
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7
Continue straight
3.9 mi · 4 min
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8
Continue straight
75.6 mi · 1 hr 11 min
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9
Continue straight
34 mi · 32 min
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10
Continue straight
61.2 mi · 1 hr 4 min
-
11
Take the exit slight right toward Center Street
157 m · 13 sec
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12
Turn straight onto East F Street
832 ft · 22 sec · East F Street
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13
Turn left onto North Center Street
2615 ft · 48 sec · North Center Street
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14
Turn right onto West 1st Street
1.6 mi · 2 min · West 1st Street
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15
Continue on West Yellowstone Highway
2236 ft · 44 sec · West Yellowstone Highway
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16
Turn left onto Van Horn Avenue
1051 ft · 29 sec · Van Horn Avenue
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17
Continue on 1st Street
1654 ft · 46 sec · 1st Street
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18
Arrive at your destination
0 m · 1 sec · 1st Street
Car Route Details
A richer read on the saved driving route between Cheyenne and Mills.
Straightforward drive
The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.
Hynds Boulevard
Continue straight
75.6 mi · 01h 11m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A longer out-and-back drive
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
Mostly Sunny leaving Cheyenne and Mostly Sunny then Showers And Thunderstorms Likely near Mills.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Cheyenne to Mills?
The road trip is about 180.8 miles (291 km) and usually takes 03h 01m in normal driving conditions.
Is this a same-day trip or an overnight route?
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
What is the halfway point on this route?
Glendo is a useful midpoint, sitting about 90.3 miles from Cheyenne and 90.5 miles from Mills.
How much longer is the road route than the straight-line distance?
The direct path is about 141.8 miles (228.2 km), while the road route adds roughly 39 extra miles because roads do not follow the straight air line.
When is the best time to leave for this route?
A good departure window is usually 6:00 AM to 8:00 AM MDT. If you want a more comfortable same-day return, try to leave by 10:58 AM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $24.84 one way or $49.67 round trip. Estimated CO2 is about 56.7 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Cheyenne and Mostly Sunny then Showers And Thunderstorms Likely near Mills.
Stop Ideas Near Glendo
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Glendo.
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Flight Path Map
This map shows the direct air route between Cheyenne and Mills. Straight-line distance: 141.78 mi (228.18 km).
#1 Cheyenne
The most populous city in Laramie County, Wyoming.
| Population | 64,742 |
| Coordinates | 41.1399800, -104.8202500 |
| Altitude | 1856 |
| Country | United States |
#2 Mills
Town in Wyoming, United States
| Population | 4,077 |
| Coordinates | 42.8405200, -106.3658600 |
| Altitude | 1562 |
| Country | United States |
End: Mills (-106.36586, 42.84052)
Estimated Travel Time
Distance: 291 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 06h 01m |
| 40 mph (64.37 km/h) | 04h 31m |
| 50 mph (80.47 km/h) | 03h 36m |
| 60 mph (96.56 km/h) | 03h 00m |
| 70 mph (112.65 km/h) | 02h 35m |
| 80 mph (129 km/h) | 02h 15m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $24.84 | $49.67 |
| Mid-grade | $4.23 | $26.99 | $53.99 |
| Premium | $4.55 | $29.02 | $58.05 |
| Diesel | $5.41 | $34.53 | $69.06 |
Assumes 8.3 L/100 km (about 28.3 MPG). CO2 is an estimate and varies by vehicle, fuel blend, traffic, and terrain.
Prices in Wyoming · Apr 16, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.