How far is Butte, MT from Great Falls, MT?
The driving distance from Butte, MT to Great Falls, MT is about 155.3 miles (250 km), with a travel time of about 02h 35m by car.
- The straight-line flight distance is about 118.7 miles (191.1 km).
- For a round trip, plan for roughly 05h 10m 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 35m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
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.
State capital of Montana, United States and seat of Lewis and Clark County
Route Weather Snapshot
Check the forecast at both ends before you head out.
Snow Showers
Snow Showers Likely
Driving Route Map
The map below follows the saved road route between Butte and Great Falls.
Turn-by-Turn Driving Directions
Step-by-step road directions between Butte and Great Falls.
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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
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7
Merge slight left
2.5 mi · 3 min
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8
Take the exit slight right toward I 15 North: Helena
148.8 mi · 2 hr 25 min
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9
Take the exit slight right toward I 15 Business, US 89 South, MT 200 East
2016 ft · 49 sec
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10
Continue on Country Club Boulevard
1.4 mi · 2 min · Country Club Boulevard
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11
Continue on 10th Avenue South
1.1 km · 58 sec · 10th Avenue South
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12
Turn left onto 4th Street South
2216 ft · 2 min · 4th Street South
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13
Arrive at your destination
0 m · 1 sec · 4th Street South
Car Route Details
A richer read on the saved driving route between Butte and Great Falls.
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 15 North
Take the exit slight right toward I 15 North: Helena
149 mi · 02h 25m
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.
Snow Showers leaving Butte and Snow Showers Likely near Great Falls.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Butte to Great Falls?
The road trip is about 155.3 miles (250 km) and usually takes 02h 35m 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?
Helena is a useful midpoint, sitting about 77.6 miles from Butte and 77.7 miles from Great Falls.
How much longer is the road route than the straight-line distance?
The direct path is about 118.7 miles (191.1 km), while the road route adds roughly 36.6 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 1:20 PM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $21.33 one way or $42.67 round trip. Estimated CO2 is about 48.7 kg one way.
What should you check before leaving?
Before you leave, expect Snow Showers around Butte and Snow Showers Likely near Great Falls.
Stop Ideas Near Helena
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 Helena.
Butte, MT
Bozeman, MT
Flight Path Map
This map shows the direct air route between Butte and Great Falls. Straight-line distance: 118.75 mi (191.11 km).
#1 Butte
Consolidated city-county in Montana, United States
| Population | 34,190 |
| Coordinates | 46.0038200, -112.5347400 |
| Altitude | 1688 |
| Country | United States |
#2 Great Falls
Town in Cascade County, Montana, United States
| Population | 58,353 |
| Coordinates | 47.5002400, -111.3008100 |
| Altitude | 1015 |
| Country | United States |
End: Great Falls (-111.30081, 47.50024)
Estimated Travel Time
Distance: 250 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 05h 10m |
| 40 mph (64.37 km/h) | 03h 53m |
| 50 mph (80.47 km/h) | 03h 06m |
| 60 mph (96.56 km/h) | 02h 35m |
| 70 mph (112.65 km/h) | 02h 13m |
| 80 mph (129 km/h) | 01h 56m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $21.33 | $42.67 |
| Mid-grade | $4.23 | $23.19 | $46.37 |
| Premium | $4.55 | $24.93 | $49.86 |
| Diesel | $5.41 | $29.66 | $59.32 |
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 16, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.