How far is Sidney, MT from Butte, MT?
The driving distance from Sidney, MT to Butte, MT is about 496.7 miles (799.3 km), with a travel time of about 08h 23m by car.
- The straight-line flight distance is about 412.9 miles (664.5 km).
- For a round trip, plan for roughly 16h 46m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 7:30 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 08h 23m.
Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
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.
Human settlement in Yellowstone County, Montana, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Partly Sunny
Chance Light Rain then Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Sidney and Butte.
Turn-by-Turn Driving Directions
Step-by-step road directions between Sidney and Butte.
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1
Start on North Central Avenue
2.5 mi · 3 min · North Central Avenue
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2
Enter the roundabout and take exit 2 toward the route
41 m · 2 sec
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3
Exit the roundabout
48.9 mi · 56 min
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4
Take the exit right
1385 ft · 34 sec
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5
Merge slight left
212.8 mi · 3 hr 31 min
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6
Merge slight left
2.8 mi · 3 min
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7
Continue straight
112.8 mi · 1 hr 52 min
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8
Continue straight
7 mi · 7 min
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9
Continue straight
108.4 mi · 1 hr 49 min
-
10
Take the exit slight right toward Montana Street
1321 ft · 34 sec
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11
Turn right onto South Montana Street
2889 ft · 57 sec · South Montana Street
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12
Turn right onto West 2nd Street
1173 ft · 38 sec · West 2nd Street
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13
Turn left onto South Main Street
1088 ft · 27 sec · South Main Street
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14
Turn left onto West Iron Street
21 m · 3 sec · West Iron Street
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15
Arrive at your destination
0 m · 1 sec · West Iron Street
Car Route Details
A richer read on the saved driving route between Sidney and Butte.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
North Central Avenue
Merge slight left
213 mi · 03h 31m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
Better with a longer stop
This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.
Partly Sunny leaving Sidney 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 Sidney to Butte?
The road trip is about 496.7 miles (799.3 km) and usually takes 08h 23m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.
What is the halfway point on this route?
Lockwood is a useful midpoint, sitting about 247.9 miles from Sidney and 248.8 miles from Butte.
How much longer is the road route than the straight-line distance?
The direct path is about 412.9 miles (664.5 km), while the road route adds roughly 83.8 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 7:30 AM MDT. Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $68.24 one way or $136.49 round trip. Estimated CO2 is about 155.8 kg one way.
What should you check before leaving?
Before you leave, expect Partly Sunny around Sidney and Chance Light Rain then Showers And Thunderstorms near Butte.
Stop Ideas Near Lockwood
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 Lockwood.
Billings, MT
Flight Path Map
This map shows the direct air route between Sidney and Butte. Straight-line distance: 412.91 mi (664.51 km).
#1 Sidney
City in Montana, United States
| Population | 6,297 |
| Coordinates | 47.7166800, -104.1563300 |
| Altitude | 594 |
| 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: 799 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 16h 32m |
| 40 mph (64.37 km/h) | 12h 25m |
| 50 mph (80.47 km/h) | 09h 55m |
| 60 mph (96.56 km/h) | 08h 16m |
| 70 mph (112.65 km/h) | 07h 05m |
| 80 mph (129 km/h) | 06h 11m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $68.24 | $136.49 |
| Mid-grade | $4.23 | $74.17 | $148.34 |
| Premium | $4.55 | $79.74 | $159.49 |
| Diesel | $5.41 | $94.87 | $189.74 |
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.