Origin
Butte, MT
Late night in Butte on Wednesday
Local time
1:32 AM
MDT
Current temp
34°F
Unavailable
Live forecast
Trip from Butte, MT to Great Falls, MT
Data updated 4 hours ago
Drive Time
2h 35m
Distance
155.4 mi
250 km
Drive Score
8/10
Great drive
Same Day?
Yes, doable
Fuel Cost
$25
one way
EV Charging
Excellent
9 DC fast
Best Time to Leave
4 AM
2h 25m
★
6 AM
2h 35m
8 AM
2h 56m
10 AM
2h 43m
12 PM
2h 40m
3 PM
2h 44m
5 PM
2h 55m
8 PM
2h 29m
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Butte, MT
Wikimedia Commons
Great Falls, MT
Wikimedia Commons
Trip Overview
This 155-mile drive from Butte to Great Falls, Montana, is a straightforward journey that can easily be completed in about 2 hours and 35 minutes. With a fuel cost estimated at $25, it's an economical option for a day trip, as there's no need to split it into multiple days. The route is primarily highway-focused, making for a predictable and efficient travel experience through the Mountain West region. You'll spend most of your time on I-15, so expect a consistent driving pace. This trip is ideal if you're looking for a quick and no-fuss transfer between two Montana cities.
Trip Pace
Same-day drive is realistic
A same-day return is realistic if you keep stops short.
Break Rhythm
1 planned break
A short stop every 2 to 3 hours is enough for this drive.
Midpoint
77.7 miles from Butte, MT
A natural place for your longest stop of the day , about 1h 17m into the drive .
Loading map...
Drive Character
Expect a highway-focused drive for 98% of this 155.4-mile journey. The personality of this route is largely defined by I-15, which forms the longest uninterrupted stretch of 151.2 miles. You'll experience a consistent, high-speed environment for the bulk of your travel time. While there are brief transitions onto Country Club Boulevard and 10th Avenue South, the dominant feel is that of an interstate cruise. This means minimal distractions and a steady pace, allowing you to cover ground efficiently.
Most of the miles stay on highways, which makes pacing and fuel planning easier than turn-by-turn city driving.
There are about 13 navigation steps in the underlying route data, so the final approach matters more than the middle miles.
I 15 is the longest continuous segment at about 151.2 miles.
How Hard Is This Drive?
This is a straightforward highway drive that stays mostly on I 15 and Country Club Boulevard. Navigation is very simple — set it and forget it for most of the drive. The trickiest moment comes early in the drive near South Main Street.
Route Complexity
2/10
Very easy - short and simple to drive
The drive from Butte, MT to Great Falls, MT is easy. At 2h 35m with 98% highway, most drivers will find it relaxed and low-stress.
Where does it get tricky?
The main spots that need attention: near the start (South Main Street): Navigation decision point; at 0.4 miles (West Front Street): Navigation decision point; at 1.1 miles (La Salle Street): Navigation decision point.
Critical Maneuvers
5 of 9 key pointsThese are the spots where you need to pay the most attention. Preview them before you drive.
4
0 mi into trip
|
~0m in
|
South Main Street
Turn right onto South Main Street
Navigation decision point
4
0.4 mi into trip
|
~0m in
|
West Front Street
Turn right onto West Front Street
Navigation decision point
4
1.1 mi into trip
|
~2m in
|
La Salle Street
Turn left onto La Salle Street
Navigation decision point
7
3.8 mi into trip
|
~5m in
|
I 15
Take the exit onto I 15 toward I 15 North: Helena
Exit ramp - move to the correct lane early. Lane positioning matters here
Use the straight / slight right lanes.
Exit 129
Toward I 15 North: Helena
5
152.6 mi into trip
|
~2h 30m in
|
I 15 BUS
Take the exit onto I 15 BUS toward I 15 Business, US 89 South, MT 200 East
Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one
Toward I 15 Business, US 89 South, MT 200 East
Main Roads
| Road | Distance | Duration |
|---|---|---|
| I 15 | 151.2 mi | 2h 27m |
| Country Club Boulevard | 1.4 mi | 1m |
| 10th Avenue South | 0.7 mi | <1m |
| South Montana Street | 0.4 mi | <1m |
| 4th Street South | 0.4 mi | 1m |
| South Main Street | 0.4 mi | <1m |
| I 15 BUS | 0.4 mi | <1m |
| West Front Street | 0.3 mi | <1m |
Longest stretch:
I 15
— 151.2 mi, about 2h 27m
Turn-by-Turn Driving Directions
Step-by-step road directions between Butte, MT and Great Falls, MT.
1
Start on West Iron Street
70 ft
·
5 sec
·
West Iron Street
2
Turn right onto South Main Street
0.4 mi
·
45 sec
·
South Main Street
3
Turn right onto West Front Street
0.3 mi
·
29 sec
·
West Front Street
4
Turn left onto South Montana Street
0.4 mi
·
45 sec
·
South Montana Street
5
Turn left onto La Salle Street
292 ft
·
4 sec
·
La Salle Street
6
Take the ramp
0.2 mi
·
23 sec
7
Merge onto I 15; I 90
2.5 mi
·
2 min
·
I 15; I 90
8
Take the exit onto I 15
149 mi
·
2 hr 24 min
·
I 15
Exit 129
Toward I 15 North: Helena
Use the straight / slight right lanes.
9
Take the exit onto I 15 BUS
0.4 mi
·
49 sec
·
I 15 BUS
Toward I 15 Business, US 89 South, MT 200 East
10
Continue on I 15 Bus; US 89; MT 3; MT 200; I 315
1.4 mi
·
1 min
·
Country Club Boulevard
11
Continue on I 15 Business; US 89; MT 3; MT 200
0.7 mi
·
57 sec
·
10th Avenue South
12
Turn left onto 4th Street South
0.4 mi
·
1 min
·
4th Street South
13
Arrive at destination
4th Street South
Trip Plan
Given the relatively short duration of 2 hours and 35 minutes, this drive from Butte to Great Falls is perfect for a single-day trip, offering flexibility in your departure time. You can easily start in the morning and arrive in Great Falls by midday. Since the longest stretch is over 150 miles on I-15, plan for your fuel stop before you get too far out of Butte, as services might be less frequent along the interstate itself. With only one recommended stop, you can choose to make it a quick break or enjoy a more leisurely pause.
Morning Departure
Leave by 9 AM and you'll arrive before lunch.
Evening Departure
Even a 4 PM departure gets you there before dark in summer.
You can normally do this drive in one day.
Plan roughly 1 meaningful break for fuel, food, and rest.
The halfway point lands around 77.7 miles from Butte, MT, or about 1h 17m into the drive.
The longest continuous stretch on this route runs about 151.2 miles.
This is a comfortable same-day trip.
Departure
Before you leave
Start with fuel, water, and navigation already sorted so the first hour feels easy.
First stop
Around 80 miles or 1h 19m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 77.7 miles or 1h 17m in
This is the best place for your longest stop, a real meal, and a full fuel check.
Final approach
Final hour starts around 2h 5m
Traffic, exits, and arrival timing usually matter more near Great Falls, MT than in the middle of the route.
Before You Leave
+
Open the route before leaving Butte, MT so your first major turns are already loaded.
+
Leave with enough water and a charging cable within reach, not packed away.
+
Check your fuel range against the first long segment, especially if you are starting outside city service areas.
Day 1
Settle into the route from Butte, MT
This is one driving day of about 155.4 miles and 2h 35m.
Your first comfortable stop window is around 80 miles from Butte, MT.
This route can stay practical as a one-day drive if traffic stays reasonable.
Plan about 1 real break rather than only quick fuel stops.
The longest stretch is on I 15 for about 151.2 miles.
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Halfway Point
Midpoint
About 77.7 mi from Butte, MT · 1h 17m into the drive
Mid-route town
Meal stop
78 mi into the route
Best for: Lunch, fuel, and a longer reset
This sits close to the middle of the route, so it works well for the longest stop of the day.
Pacing Suggestions
Fuel and coffee
A short stop after about 80 miles helps settle the day before fatigue starts building.
Meal break
The midpoint is around 77.7 miles from Butte, MT, which is a good place for a longer meal and fuel stop.
Before the longest stretch
Fuel checkTop up before I 15 if your tank is already low. That segment runs about 151.2 miles.
Arriving in Great Falls, MT
The final approach into Great Falls, MT usually feels slower than the middle of the drive, so avoid planning your tightest schedule at the very end.
Try to arrive with enough fuel left to skip an immediate station stop unless you already know the area around Great Falls, MT.
After long uninterrupted mileage, take five minutes before the last urban segment to reset and refocus on exits, merges, and city traffic.
These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.
Fuel & Cost
Regular Gas
$24.63 one way
$49.25 round trip
$4.03/gal
25.4 MPG avg
54 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.22 | $25.81 | $51.62 |
| premium | $4.53 | $27.72 | $55.44 |
| diesel | $5.61 | $34.31 | $68.62 |
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$25
Meals
$25–$50
Total
$50–$75
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 54.4 kg one way. Prices: EIA weekly data, 2026-04-13.
EV Charging Along Route
9 DC fast chargers · Coverage: excellent
Town Pump Travel Center - Tesla Supercharger
Butte, MT
Tesla
8 DCFC
Super1 Foods - Tesla Supercharger
Helena, MT
Tesla
8 DCFC
Great Falls Hampton Inn - Tesla Supercharger
Great Falls, MT
Tesla
8 DCFC
Best Western Plus Butte Plaza Inn - Tesla Supercharger
Butte, MT
Tesla
6 DCFC
Target T1282 (Helena, MT)
Helena, MT
Electrify America
6 DCFC
Flying J Town Pump (Butte, MT)
Butte, MT
Electrify America
4 DCFC
Great Falls Subaru
Great Falls, MT
EV Connect
2 DCFC
L146 DC 2
Helena, MT
ChargePoint Network
1 DCFC
Tesla: 4
Electrify America: 2
ChargePoint Network: 2
EV Connect: 1
Station data from NREL Alternative Fuel Stations database.
Driving Electric?
About $16 in charging · 0 stops · 67% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 46.6 | 0 | $16.32 | $7.46 |
| Efficient EV | 38.9 | 0 | $13.60 | $6.22 |
| EV Truck/SUV | 62.2 | 0 | $21.76 | $9.95 |
Gas CO2
54 kg
EV CO2
18 kg (67% less)
This trip is well within single-charge range for most EVs. No charging stops needed if you start fully charged.
DC fast charging avg $0.35/kWh. Home charging avg $0.16/kWh. US grid CO2: 0.39 kg/kWh.
Travel Intel
Current conditions at both ends of the drive.
Destination
Great Falls, MT
Late night in Great Falls on Wednesday
Local time
1:32 AM
MDT
Current temp
68°F
Unavailable
Live forecast
Seasonal Notes
Summer travel usually means heavier construction, hotter rest stops, and busier weekend traffic around major cities.
Winter travel shortens daylight, so a route that looks manageable on paper can feel much longer after dark.
Holiday weekends tend to make both departure and arrival windows slower than the raw route time suggests.
Time zone
Same local time
Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.
Temperature spread
34 degrees warmer at arrival
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
2h 35m on the road
Use the two city cards together: check the sky where you start, then compare it with the local time and temperature at arrival.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
Frequently Asked Questions
The drive from Butte, MT to Great Falls, MT covers 155.4 miles and takes about 2h 35m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are I 15, Country Club Boulevard, 10th Avenue South. Most of the drive stays on highways, so watch for ramps and exits.
This is a comfortable same-day trip.
The midpoint is about 77.7 miles from Butte, MT. Look for rest areas, gas stations, or food options near the halfway mark.
At current regular gas prices, expect to spend about $24.63 one way. This estimate uses 25.4 MPG — your actual cost will vary with your vehicle's fuel efficiency and current gas prices.
Leave by 9 AM and you'll arrive before lunch. Even a 4 PM departure gets you there before dark in summer.
Plan about 1 meaningful break for fuel, food, or rest. A short stop every 2 to 3 hours is enough for this drive.
The drive from Butte, MT to Great Falls, MT is easy. At 2h 35m with 98% highway, most drivers will find it relaxed and low-stress.
The main spots that need attention: near the start (South Main Street): Navigation decision point; at 0.4 miles (West Front Street): Navigation decision point; at 1.1 miles (La Salle Street): Navigation decision point.
The route from Butte, MT to Great Falls, MT does not surface many named destination signs beyond the main corridor.
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