Trip from Mills, WY to Casper, WY

Drive Time

12m

Distance

6.2 mi

10 km

Drive Score

6/10

Good drive

Same Day?

Yes, doable

Fuel Cost

$1

one way

EV Charging

Loading...

station data

Best Time to Leave

4 AM
0h 12m ★
6 AM
0h 13m
8 AM
0h 15m
10 AM
0h 14m
12 PM
0h 13m
3 PM
0h 14m
5 PM
0h 15m
8 PM
0h 12m ★

Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.

Downtown Mills, WY, WY

Mills, WY

Dan Stone

Downtown Casper, WY, WY

Casper, WY

Beyzaa Yurtkuran

Trip Overview

Traveling between Mills and Casper, Wyoming, is a quick 6.2-mile hop that typically takes about 12 minutes to complete. Because these locations are both nestled within the Mountain West region, you will find this transition seamless and straightforward. You won't need to worry about an overnight stay for such a brief distance, making this a perfect candidate for a single-day trip. With a fuel budget of just $1, the route is incredibly economical for your travel plans. Whether you are commuting or running local errands, this connection serves as a practical link between the two areas.

Trip Pace

Same-day drive is realistic

A same-day return is realistic if you keep stops short.

Break Rhythm

0 planned breaks

A short stop every 2 to 3 hours is enough for this drive.

Midpoint

3.1 miles from Mills, WY

A natural place for your longest stop of the day , about 5m into the drive .

Drive Character

Expect a turn-heavy local drive rather than a high-speed interstate cruise, as this route features zero highway miles. Your path primarily follows West 1st Street, the Bryan Stock Trail, and the East Yellowstone Highway. You will encounter frequent adjustments behind the wheel, with your longest uninterrupted stretch lasting only 2.1 miles on West 1st Street. Navigating these local roads requires your full attention as you transition between thoroughfares. The character of the drive remains consistent, prioritizing local accessibility over long-distance highway speed.

This route has more turning and local-road decision points than a simple highway run.
There are about 9 navigation steps in the underlying route data, so the final approach matters more than the middle miles.
West 1st Street is the longest continuous segment at about 2.1 miles.

How Hard Is This Drive?

Expect a hands-on drive with frequent turns and local roads rather than long highway stretches. 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 2/10

Very easy - short and simple to drive

The drive from Mills, WY to Casper, WY is easy. At 12m with 0% 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 4 miles (I 25 Business; US 20; US 26; US 87 / North Beverly Street): Navigation decision point; at 5.3 miles (East Sunlight Drive): Navigation decision point.

Critical Maneuvers

3 of 3 key points

These 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
4 mi into trip | ~6m in | I 25 Business; US 20; US 26; US 87 / North Beverly Street

Turn left onto I 25 Business; US 20; US 26; US 87 / North Beverly Street

Navigation decision point

4
5.3 mi into trip | ~9m in | East Sunlight Drive

Turn left onto East Sunlight Drive

Navigation decision point

Main Roads

Road Distance Duration
West 1st Street 2.1 mi 3m
Bryan Stock Trail 1.1 mi 2m
East Yellowstone Highway 1 mi 1m
East Sunlight Drive 0.9 mi 3m
West Yellowstone Highway 0.4 mi <1m
1st Street 0.3 mi <1m
North Beverly Street 0.2 mi <1m
Van Horn Avenue 0.2 mi <1m
Longest stretch: West 1st Street — 2.1 mi, about 3m

Turn-by-Turn Driving Directions

Step-by-step road directions between Mills, WY and Casper, 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

2.1 mi · 3 min · West 1st Street
5

Turn slight left onto I 25 Business; US 20 Business; US 26 Business; US 87 Business

1.0 mi · 1 min · East Yellowstone Highway
6

Turn left onto I 25 Business; US 20; US 26; US 87

0.2 mi · 21 sec · North Beverly Street
7

Continue on I 25 Business

1.1 mi · 2 min · Bryan Stock Trail
8

Turn left onto East Sunlight Drive

0.9 mi · 3 min · East Sunlight Drive
9

Arrive at destination

North Sunlight Drive

Trip Plan

Since this is a short 12-minute journey, you have total flexibility regarding your departure time. You won't need to plan for any stops along the way, allowing you to head directly to your destination without the need for rest breaks or refueling pauses. Keep in mind that the route is entirely local, so prioritize following signage carefully through the various turns. Because the entire drive is only 6.2 miles, you can easily incorporate this into a larger itinerary without feeling rushed. Take advantage of the minimal fuel cost by enjoying the freedom to travel back and forth as your schedule requires.

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 3.1 miles from Mills, WY, or about 5m into the drive.
The longest continuous stretch on this route runs about 2.1 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 6.2 miles or 12m in

Use this first pause for coffee, a restroom break, and a quick traffic check ahead.

Halfway reset

Around 3.1 miles or 5m in

This is the best place for your longest stop, a real meal, and a full fuel check.

Final approach

Final hour starts around 9m

Traffic, exits, and arrival timing usually matter more near Casper, 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 6.2 miles and 12m.

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.
You may only need one short stretch stop if conditions stay smooth.
The longest stretch is on West 1st Street for about 2.1 miles.

Where to Stop

Rest stops, refuel points, and overnight suggestions along this route.

Halfway Point

Midpoint

About 3.1 mi from Mills, WY · 5m into the drive

Mid-route town

Meal stop

Wright, WY

3 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.

Popular next leg

Wright, WY to Casper, WY

94.4 mi · 1h 49m

Pacing Suggestions

Wright, WY

Fuel and coffee

A short stop after about 6.2 miles helps settle the day before fatigue starts building.

Wright, WY

Meal break

The midpoint is around 3.1 miles from Mills, WY, which is a good place for a longer meal and fuel stop.

Arriving in Casper, WY

The final approach into Casper, 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 Casper, WY.

These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.

Fuel & Cost

Regular Gas

$0.98 one way

$1.96 round trip

$4.03/gal 25.4 MPG avg 2 kg CO2
Fuel Type $/gal One Way Round Trip
midgrade $4.23 $1.03 $2.07
premium $4.53 $1.11 $2.21
diesel $5.64 $1.38 $2.75

No toll roads detected on this route.

Estimated Trip Cost (one way, 1 person)

Fuel

$1

Meals

$25–$50

Total

$26–$51

Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.

Estimated CO2 emission: 2.2 kg one way. Prices: EIA weekly data, 2026-04-06.

Driving Electric?

About $1 in charging · 0 stops · 50% less CO2

Vehicle Type kWh Stops DC Fast Home Charge
Average EV 1.9 0 $0.65 $0.30
Efficient EV 1.6 0 $0.54 $0.25
EV Truck/SUV 2.5 0 $0.87 $0.40

Gas CO2

2 kg

EV CO2

1 kg (50% 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 data refreshed 3 days ago

Origin

Mills, WY

Afternoon in Mills on Sunday

Local time

4:49 PM

MDT

Current temp

39°F

Unavailable

Live forecast

Destination

Casper, WY

Afternoon in Casper on Sunday

Local time

4:49 PM

MDT

Current temp

39°F

Unavailable

Live forecast

Along the Route

34°F

Wright, WY

3 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

Very similar conditions

Both ends of the route are sitting at about the same temperature right now.

Road read

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 Mills, WY to Casper, WY covers 6.2 miles and takes about 12m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are West 1st Street, Bryan Stock Trail, East Yellowstone Highway. Expect a mix of highway and local road driving.
This is a comfortable same-day trip.
The midpoint is about 3.1 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 $0.98 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 Mills, WY to Casper, WY is easy. At 12m with 0% 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 4 miles (I 25 Business; US 20; US 26; US 87 / North Beverly Street): Navigation decision point; at 5.3 miles (East Sunlight Drive): Navigation decision point.
The route from Mills, WY to Casper, WY does not surface many named destination signs beyond the main corridor.

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