How far is Lewistown, MT from Butte, MT?
The driving distance from Lewistown, MT to Butte, MT is about 259.7 miles (418 km), with a travel time of about 04h 34m by car.
- The straight-line flight distance is about 164.8 miles (265.2 km).
- For a round trip, plan for roughly 09h 09m 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 04h 34m.
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 Cascade County, Montana, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Partly Sunny then Showers And Thunderstorms Likely
Chance Light Rain then Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Lewistown and Butte.
Turn-by-Turn Driving Directions
Step-by-step road directions between Lewistown and Butte.
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1
Start on 6th Avenue South
121 m · 23 sec · 6th Avenue South
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2
Turn left onto West Main Street
1.3 km · 2 min · West Main Street
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3
Continue on US Highway 87
1.5 mi · 2 min · US Highway 87
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4
At the end of the road, turn left onto US Highway 87
14.7 mi · 16 min · US Highway 87
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5
Continue straight
64.3 mi · 1 hr 10 min
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6
Turn slight right
1588 ft · 21 sec
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7
Enter the roundabout and take exit 2 toward the route
52 m · 2 sec
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8
Exit the roundabout
557 ft · 7 sec
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9
Continue straight
24 mi · 31 min
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10
Continue on Country Club Boulevard
1.3 mi · 2 min · Country Club Boulevard
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11
Keep slight left
1.2 km · 2 min
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12
Merge slight left onto First Special Service Force Memorial Highway
150.7 mi · 2 hr 27 min · First Special Service Force Memorial Highway
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13
Take the exit slight right toward Montana Street
1321 ft · 34 sec
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14
Turn right onto South Montana Street
2889 ft · 57 sec · South Montana Street
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15
Turn right onto West 2nd Street
1173 ft · 38 sec · West 2nd Street
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16
Turn left onto South Main Street
1088 ft · 27 sec · South Main Street
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17
Turn left onto West Iron Street
21 m · 3 sec · West Iron Street
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18
Arrive at your destination
0 m · 1 sec · West Iron Street
Car Route Details
A richer read on the saved driving route between Lewistown and Butte.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
First Special Service Force Memorial Highway
Merge slight left onto First Special Service Force Memorial Highway
151 mi · 02h 27m
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.
Partly Sunny then Showers And Thunderstorms Likely leaving Lewistown and Chance Light Rain then Showers And Thunderstorms near Butte.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Lewistown to Butte?
The road trip is about 259.7 miles (418 km) and usually takes 04h 34m 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?
Cascade is a useful midpoint, sitting about 129.7 miles from Lewistown and 130.1 miles from Butte.
How much longer is the road route than the straight-line distance?
The direct path is about 164.8 miles (265.2 km), while the road route adds roughly 94.9 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 7:50 AM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $35.66 one way or $71.32 round trip. Estimated CO2 is about 81.4 kg one way.
What should you check before leaving?
Before you leave, expect Partly Sunny then Showers And Thunderstorms Likely around Lewistown and Chance Light Rain then Showers And Thunderstorms near Butte.
Flight Path Map
This map shows the direct air route between Lewistown and Butte. Straight-line distance: 164.76 mi (265.16 km).
#1 Lewistown
City in Montana, United States
| Population | 5,905 |
| Coordinates | 47.0624700, -109.4282400 |
| Altitude | 1203 |
| Country | United States |
#2 Butte
Consolidated city-county in Montana, United States
| Population | 34,190 |
| Coordinates | 46.0038200, -112.5347400 |
| Altitude | 1688 |
| Country | United States |
End: Butte (-112.53474, 46.00382)
Estimated Travel Time
Distance: 418 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 08h 39m |
| 40 mph (64.37 km/h) | 06h 29m |
| 50 mph (80.47 km/h) | 05h 11m |
| 60 mph (96.56 km/h) | 04h 19m |
| 70 mph (112.65 km/h) | 03h 42m |
| 80 mph (129 km/h) | 03h 14m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $35.66 | $71.32 |
| Mid-grade | $4.23 | $38.76 | $77.51 |
| Premium | $4.55 | $41.67 | $83.34 |
| Diesel | $5.41 | $49.57 | $99.15 |
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 Montana · 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.