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Create accountDrive Time
6h 31m
Distance
370.2 mi
596 km
Drive Score
8/10
Great drive
Same Day?
Yes, doable
Fuel Cost
$59
one way
EV Charging
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station data
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Evergreen, MT
Shashank Brahmavar
Big Timber, MT
John De Leon
Spanning 370.2 miles across Montana, this trek from Evergreen to Big Timber is a straightforward journey that takes approximately 6 hours and 31 minutes to complete. You will primarily navigate a combination of I-15, MT-83, and I-90 to reach your destination. Because the total drive time is manageable, it works perfectly as a single-day trip, allowing you to reach your destination without needing an overnight stay. Expect to spend roughly $59 on fuel for the excursion, depending on your vehicle's efficiency. Both your starting point and destination are nestled within the Mountain West, offering a consistent regional feel as you transition across the state.
Trip Pace
Same-day drive is realistic
A same-day return is possible, but it will make for a full day on the road.
Break Rhythm
1 planned break
Plan on a short reset every 3 to 4 hours to stay fresh behind the wheel.
Midpoint
185.1 miles from Evergreen, MT
A natural place for your longest stop of the day , about 3h 28m into the drive .
This is a highway-focused drive, with 99% of your travel occurring on major thoroughfares. You should be prepared for a mix of road types, transitioning from the regional flow of MT-83 to the high-speed transit of the interstate system. The longest uninterrupted segment you will encounter is a 110.8-mile stretch on I-15, which requires steady focus behind the wheel. Because the vast majority of the route is interstate, you can expect a consistent pace that helps cover the distance efficiently. It is a functional, direct route that prioritizes speed and connectivity over winding backroads.
High-altitude sections with notable climbs
Total Climb
3,375 ft
Total Descent
2,207 ft
Highest Point
5,623 ft
~231.4 mi in
Elevation Range
2,700 ft
Notable High Points
This is a straightforward highway drive that stays mostly on I 15 and MT 83. There are only a few real navigation decisions along the way. The trickiest moment comes around 1.2 miles in near MT 35.
Easy - simple navigation with a manageable amount of wheel time
The route itself is not hard, but at 6h 31m, endurance matters. Plan breaks every 2-3 hours. The 14 decision points are all manageable with basic attention.
Where does it get tricky?
The main spots that need attention: at 1.2 miles (MT 35): Lane positioning matters here; at 17 miles (MT 83): Lane positioning matters here; at 164.4 miles (US 12): Sharp turn - reduce speed on approach.
These are the spots where you need to pay the most attention. Preview them before you drive.
Turn left onto MT 35
Lane positioning matters here
Turn left onto MT 83
Lane positioning matters here
Turn sharp right onto US 12
Sharp turn - reduce speed on approach
Keep slight right at fork onto I 15; I 90
Highway fork - watch signs carefully. Lane positioning matters here
Take the exit onto I 90 Business; US 191 toward US 191, I 90 Business: Big Timber, Harlowton
Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one
| Road | Distance | Duration |
|---|---|---|
| I 15 | 110.8 mi | 1h 51m |
| MT 83 | 91.1 mi | 1h 43m |
| I 90 | 79.1 mi | 1h 14m |
| State Highway 141 | 32.5 mi | 35m |
| MT 200 | 23.8 mi | 25m |
| MT 35 | 15.9 mi | 18m |
| US 12 | 12.9 mi | 14m |
| I 90 Business | 1.5 mi | 3m |
Step-by-step road directions between Evergreen, MT and Big Timber, MT.
Start on US 2
Turn right onto East Evergreen Drive
Turn right onto Helena Flats Road
Turn left onto MT 35
Continue on MT 35
Turn left onto MT 83
Turn left onto MT 200
Turn right onto MT 141
Turn sharp right onto US 12
Turn left
Continue on this road
Take the ramp
Merge onto I 90
Keep slight right at fork onto I 15; I 90
Continue on I 90; US 89; US 191
Continue on I 90; US 191
Take the exit onto I 90 Business; US 191
Turn left onto I 90 Business; US 191
At end of road, turn right onto I 90 Business; US 191
Turn left onto McLeod Street
Arrive at destination
To make the most of your 6.5-hour drive, try to depart early in the morning to beat traffic and ensure you reach Big Timber before dark. Although the route is short enough to tackle in one go, planning for your single recommended stop will help you stay alert during the long interstate sections. Keep a close eye on your fuel gauge when traveling the 110.8-mile stretch on I-15 to avoid running low between service areas. Since the entire trip is highly efficient, you have the flexibility to adjust your pace based on weather or personal preference. Always check local road conditions for MT-83 before you head out, as mountain highway conditions can shift quickly.
Morning Departure
Start early — leave by 6-7 AM to arrive at a reasonable hour.
Evening Departure
This is a long drive — plan for a morning departure or consider splitting it into two days.
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 81 miles or 1h 34m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 185.1 miles or 3h 28m in
This is the best place for your longest stop, a real meal, and a full fuel check.
Final approach
Final hour starts around 5h 31m
Traffic, exits, and arrival timing usually matter more near Big Timber, MT than in the middle of the route.
Open the route before leaving Evergreen, 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 Evergreen, MT
This is one driving day of about 370.2 miles and 6h 31m.
Rest stops, refuel points, and overnight suggestions along this route.
Halfway Point
Midpoint
About 185.1 mi from Evergreen, MT · 3h 28m into the drive
Mid-route town
Meal stop
185 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.
A short stop after about 81 miles helps settle the day before fatigue starts building.
The midpoint is around 185.1 miles from Evergreen, 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 110.8 miles.
The final approach into Big Timber, 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 Big Timber, 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.
Regular Gas
$58.66 one way
$117.33 round trip
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.23 | $61.67 | $123.33 |
| premium | $4.53 | $66.01 | $132.02 |
| diesel | $5.64 | $82.25 | $164.49 |
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$59
Meals
$25–$50
Total
$84–$109
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 129.5 kg one way. Prices: EIA weekly data, 2026-04-06.
Driving Electric?
About $39 in charging · 1 stop · 67% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 111.1 | 1 | $38.87 | $17.77 |
| Efficient EV | 92.6 | 1 | $32.39 | $14.81 |
| EV Truck/SUV | 148.1 | 1 | $51.83 | $23.69 |
Gas CO2
130 kg
EV CO2
43 kg (67% less)
Plan for 1 charging stop. A 30-minute DC fast charge mid-route should be enough to complete the trip comfortably.
DC fast charging avg $0.35/kWh. Home charging avg $0.16/kWh. US grid CO2: 0.39 kg/kWh.
Current conditions at both ends of the drive.
Origin
Evening in Evergreen on Sunday
Local time
7:44 PM
MDT
Current temp
39°F
Slight Chance Rain Showers
Destination
Evening in Big Timber on Sunday
Local time
7:44 PM
MDT
Current temp
42°F
Mostly Cloudy
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
Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.
Temperature spread
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
Start early — leave by 6-7 AM to arrive at a reasonable hour.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
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