How far is Sheridan, WY from Mills, WY?
The driving distance from Sheridan, WY to Mills, WY is about 147.9 miles (238 km), with a travel time of about 02h 26m by car.
- The straight-line flight distance is about 138.4 miles (222.7 km).
- For a round trip, plan for roughly 04h 53m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM MDT.
Reverse, save, or send this route
This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.
This route works well as a day trip with time at the destination.
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 02h 26m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
This departure sits inside the recommended comfort window for the route.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
Town of the United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Rain And Snow Showers then Chance Rain And Snow Showers
Rain And Snow Showers Likely
Driving Route Map
The map below follows the saved road route between Sheridan and Mills.
Turn-by-Turn Driving Directions
Step-by-step road directions between Sheridan and Mills.
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1
Start on West Loucks Street
24 m · 6 sec · West Loucks Street
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2
Turn right onto South Main Street
654 ft · 19 sec · South Main Street
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3
Turn left onto East Burkitt Street
51 m · 3 sec · East Burkitt Street
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4
Continue on Coffeen Avenue
1.7 mi · 3 min · Coffeen Avenue
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5
Turn left onto East Brundage Lane
1370 ft · 27 sec · East Brundage Lane
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6
Take the ramp right
31.2 mi · 32 min
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7
Take the exit slight right toward I 25 South, US 87 South: Casper
111.4 mi · 1 hr 45 min
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8
Take the exit slight right toward US 20 West, US 26 West, WY 220 West: Shoshoni, Port of Entry
1757 ft · 43 sec
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9
Keep slight left
577 ft · 17 sec
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10
Turn right
1769 ft · 23 sec
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11
Take the exit slight right toward Salt Creek Road, Port of Entry
1581 ft · 44 sec
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12
Turn left onto Salt Creek Highway
1.5 mi · 3 min · Salt Creek Highway
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13
At the end of the road, turn left onto West Yellowstone Highway
75 m · 5 sec · West Yellowstone Highway
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14
Turn right onto Van Horn Avenue
1051 ft · 29 sec · Van Horn Avenue
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15
Continue on 1st Street
1654 ft · 46 sec · 1st Street
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16
Arrive at your destination
0 m · 1 sec · 1st Street
Car Route Details
A richer read on the saved driving route between Sheridan and Mills.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
I 25 South
Take the exit slight right toward I 25 South, US 87 South: Casper
111 mi · 01h 45m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A comfortable day-trip route
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
Rain And Snow Showers then Chance Rain And Snow Showers leaving Sheridan and Rain And Snow Showers Likely near Mills.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Sheridan to Mills?
The road trip is about 147.9 miles (238 km) and usually takes 02h 26m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
What is the halfway point on this route?
Kaycee is a useful midpoint, sitting about 73.9 miles from Sheridan and 73.9 miles from Mills.
How much longer is the road route than the straight-line distance?
The direct path is about 138.4 miles (222.7 km), while the road route adds roughly 9.5 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 8:00 AM to 10:00 AM MDT. If you want a more comfortable same-day return, try to leave by 1:36 PM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $20.32 one way or $40.64 round trip. Estimated CO2 is about 46.4 kg one way.
What should you check before leaving?
Before you leave, expect Rain And Snow Showers then Chance Rain And Snow Showers around Sheridan and Rain And Snow Showers Likely near Mills.
Stop Ideas Near Kaycee
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 Kaycee.
Casper, Wyoming
Flight Path Map
This map shows the direct air route between Sheridan and Mills. Straight-line distance: 138.36 mi (222.67 km).
#1 Sheridan
City in Wyoming, United States
| Population | 18,095 |
| Coordinates | 44.7971900, -106.9561800 |
| Altitude | 1141 |
| 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: 238 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 04h 55m |
| 40 mph (64.37 km/h) | 03h 41m |
| 50 mph (80.47 km/h) | 02h 57m |
| 60 mph (96.56 km/h) | 02h 27m |
| 70 mph (112.65 km/h) | 02h 06m |
| 80 mph (129 km/h) | 01h 50m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $20.32 | $40.64 |
| Mid-grade | $4.23 | $22.09 | $44.17 |
| Premium | $4.55 | $23.75 | $47.49 |
| Diesel | $5.41 | $28.25 | $56.50 |
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 23, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.