How far is Butte, MT from Sidney, MT?
The driving distance from Butte, MT to Sidney, MT is about 496.4 miles (798.8 km), with a travel time of about 07h 33m by car.
- The straight-line flight distance is about 412.9 miles (664.5 km).
- For a round trip, plan for roughly 15h 06m 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 07h 33m.
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.
Chance Light Rain then Showers And Thunderstorms
Partly Sunny
Driving Route Map
The map below follows the saved road route between Butte and Sidney.
Turn-by-Turn Driving Directions
Step-by-step road directions between Butte and Sidney.
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1
Start on West Iron Street
21 m · 5 sec · West Iron Street
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2
Turn right onto South Main Street
2042 ft · 45 sec · South Main Street
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3
Turn right onto West Front Street
1321 ft · 29 sec · West Front Street
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4
Turn left onto South Montana Street
2287 ft · 46 sec · South Montana Street
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5
Turn left onto La Salle Street
89 m · 5 sec · La Salle Street
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6
Take the ramp straight
972 ft · 24 sec
-
7
Merge slight left
108.5 mi · 1 hr 48 min
-
8
Continue straight
6.9 mi · 6 min
-
9
Continue straight
113 mi · 1 hr 53 min
-
10
Continue straight
3.1 mi · 4 min
-
11
Keep slight left to continue on I 94 East: Bismark
212.2 mi · 3 hr 33 min
-
12
Take the exit slight right toward MT 16: Glendive, Sidney
1422 ft · 38 sec
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13
Turn left
49 mi · 56 min
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14
Enter the roundabout and take exit 2 toward South Central Avenue
40 m · 2 sec · South Central Avenue
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15
Exit the roundabout onto South Central Avenue
2.5 mi · 3 min · South Central Avenue
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16
Arrive at your destination
0 m · 1 sec · North Central Avenue
Car Route Details
A richer read on the saved driving route between Butte and Sidney.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
I 94 East
Keep slight left to continue on I 94 East: Bismark
212 mi · 03h 33m
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.
Chance Light Rain then Showers And Thunderstorms leaving Butte and Partly Sunny near Sidney.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Butte to Sidney?
The road trip is about 496.4 miles (798.8 km) and usually takes 07h 33m 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 Butte and 248.5 miles from Sidney.
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 83.5 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 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 $68.17 one way or $136.33 round trip. Estimated CO2 is about 155.6 kg one way.
What should you check before leaving?
Before you leave, expect Chance Light Rain then Showers And Thunderstorms around Butte and Partly Sunny near Sidney.
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 Butte and Sidney. Straight-line distance: 412.91 mi (664.51 km).
#1 Butte
Consolidated city-county in Montana, United States
| Population | 34,190 |
| Coordinates | 46.0038200, -112.5347400 |
| Altitude | 1688 |
| Country | United States |
#2 Sidney
City in Montana, United States
| Population | 6,297 |
| Coordinates | 47.7166800, -104.1563300 |
| Altitude | 594 |
| Country | United States |
End: North Central Avenue (-104.156325, 47.716678)
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 24m |
| 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 | $68.17 | $136.33 |
| Mid-grade | $4.23 | $74.08 | $148.17 |
| Premium | $4.55 | $79.65 | $159.31 |
| Diesel | $5.41 | $94.76 | $189.53 |
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 22, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.