Traveling from Bozeman to South Browning covers 270.7 miles and typically takes about 5 hours and 13 minutes behind the wheel. Because this is a turn-heavy local drive rather than a straight interstate shot, it is best approached as a full-day commitment. You will navigate via West Peach Street, North 7th Avenue, and US 287, keeping your transit entirely within the Mountain West region of Montana. Budget approximately $43 for fuel to complete the trip. While it is feasible to tackle this distance in one day, the winding nature of the roads means you should plan for at least one dedicated stop to stretch your legs and stay refreshed.
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
135.3 miles from Bozeman, MT
A natural place for your longest stop of the day
, about 2h 28m into the drive
.
Main Roads
Road
Distance
Duration
Highway 287
62.2 mi
1h 10m
United States Highway 89
49.2 mi
53m
First Special Service Force Memorial Highway
35.9 mi
35m
I 90 Business
31.8 mi
32m
US 287
21.1 mi
31m
MT 200
18.4 mi
20m
Park Way
16.8 mi
18m
13th Lane Northwest
12.9 mi
15m
Longest stretch:
Highway 287
— 62.2 mi, about 1h 10m
Traffic on I-90
Hour-of-day weekday pattern from 4 FHWA count stations on your route.
Peak
4 PM
~805 veh/hr typical
· worst 1,080
Quietest
2 AM
~43 veh/hr
Peak-to-quiet ratio
18.7×
busier at peak than in the quiet hours
12a6anoon6p11p
Averaged across 50 weeks of 2023 FHWA Travel Monitoring Analysis System data. Weekday hours only (Mon–Fri).
Turn-by-Turn Driving Directions
Step-by-step road directions between Bozeman, MT and South Browning, MT.
1
Start on North Willson Avenue
0.4 mi·1 min·North Willson Avenue
2
Turn left onto West Peach Street
0.4 mi·42 sec·West Peach Street
3
Turn right onto I 90 Business
0.9 mi·1 min·North 7th Avenue
4
Turn left onto I 90 Business
32 mi·32 min·I 90 Business
5
Take the exit
0.3 mi·37 sec
Toward US 287: Helena, Ennis
6
Turn right onto US 287
62 mi·1 hr 10 min·Highway 287
Use the straight / right lanes.
7
Take the exit onto US 287
0.4 mi·47 sec·US 287
Toward I 15 North: Great Falls
8
Merge onto I 15; US 287
36 mi·35 min·First Special Service Force Memorial Highway
Use the slight right lane.
9
Take the exit onto US 287
21 mi·31 min·US 287
Toward US 287 North: Augusta, Choteau
10
Turn right onto MT 200
18 mi·20 min·MT 200
11
Turn left onto Simms Fairfield Road
1.8 mi·3 min·Simms Fairfield Road
12
Continue on S-565
5.3 mi·9 min·3rd Lane
13
Turn left onto US 89
3.3 mi·3 min·1st Road Southeast
14
Continue on US 89
17 mi·18 min·Park Way
15
Continue on US 89
0.7 mi·1 min·Main Avenue South
16
Enter roundabout onto US 89
514 ft·17 sec·West Division Street
17
Continue on US 89
143 ft·4 sec·West Division Street
18
Turn slight right onto US 89
6.0 mi·8 min·Main Avenue North
19
Continue on US 89
13 mi·15 min·13th Lane Northwest
20
Continue on US 89
49 mi·53 min·United States Highway 89
21
At end of road, turn left onto US 2; US 89
2.7 mi·3 min·US 2; US 89
22
Turn left onto 8th Avenue Southeast
0.2 mi·45 sec·8th Avenue Southeast
23
At end of road, turn left onto South Piegan Street
383 ft·18 sec·South Piegan Street
24
Turn right onto Mountain Chief Road
305 ft·13 sec·Mountain Chief Road
25
Arrive at destination
Mountain Chief Road
Trip Plan
To make the most of your 270.7-mile trek, aim to depart Bozeman early in the morning to account for the technical, turn-heavy nature of the route. Since you have only one planned stop, use that break strategically to refuel and grab a snack, keeping your $43 fuel budget in mind. Given that this is a 5-hour and 13-minute drive on local roads, avoid rushing the pace; the lack of highway miles means your average speed will remain moderate. Because the route relies on US 287 and local surface streets, keep a close eye on your GPS to stay on track during the numerous turns. Staying flexible with your timing will help you manage the drive comfortably without feeling fatigued by the time you reach South Browning.
Morning Departure
An early start around 7-8 AM gets you there with plenty of daylight left.
Evening Departure
A late afternoon start means arriving after dark. Morning is better.
You can normally do this drive in one day.
Plan roughly 1 meaningful break for fuel, food, and rest.
The halfway point lands around 135.3 miles from Bozeman, MT, or about 2h 28m into the drive.
The longest continuous stretch on this route runs about 62.2 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 60 miles or 1h 6m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 135.3 miles or 2h 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 4h 19m
Traffic, exits, and arrival timing usually matter more near South Browning, MT than in the middle of the route.
Before You Leave
+
Open the route before leaving Bozeman, 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 Bozeman, MT
This is one driving day of about 270.7 miles and 5h 13m.
Your first comfortable stop window is around 60 miles from Bozeman, 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 Highway 287 for about 62.2 miles.
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Place data sourced from public business listings. Hours and availability may vary.
Heads-up: tricky spots
5 of 16
5 decision points cluster between mile 33.4 and 270.6 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
5
33.4 mi into trip|~35m in
Take the exit toward US 287: Helena, Ennis
Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one
Toward US 287: Helena, Ennis
5
33.7 mi into trip|~36m in|US 287 / Highway 287
Turn right onto US 287 / Highway 287
Lane positioning matters here
Use the straight / right lanes.
5
96.3 mi into trip|~1h 47m in|I 15; US 287 / First Special Service Force Memorial Highway
Merge onto I 15; US 287 / First Special Service Force Memorial Highway
Merge point - match speed before joining. Lane positioning matters here
Use the slight right lane.
5
132.3 mi into trip|~2h 23m in|US 287
Take the exit onto US 287 toward US 287 North: Augusta, Choteau
Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one
Toward US 287 North: Augusta, Choteau
6
270.6 mi into trip|~5h 12m in|South Piegan Street
At end of road, turn left onto South Piegan Street
Complex interchange - multiple decisions in a short stretch
Fuel & Cost
Regular Gas
$42.19 one way
$84.39 round trip
$3.96/gal25.4 MPG avg95 kg CO2
Fuel Type
$/gal
One Way
Round Trip
midgrade
$4.17
$44.47
$88.95
premium
$4.47
$47.68
$95.36
diesel
$4.80
$51.11
$102.23
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$42
Meals
$25–$50
Total
$67–$92
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 94.7 kg one way.
Prices: EIA weekly data, 2026-07-13.
Driving Electric?
About $28 in charging
· 1 stop
· 66% less CO2
Vehicle Type
kWh
Stops
DC Fast
Home Charge
Average EV
81.2
1
$28.42
$12.99
Efficient EV
67.7
0
$23.69
$10.83
EV Truck/SUV
108.3
1
$37.90
$17.32
Gas CO2
95 kg
EV CO2
32 kg (66% 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.
Travel Intel
Current conditions at both ends of the drive.
Forecast as of Jul 18, 2026
Origin
Bozeman, MT
Night
in Bozeman on Saturday
Local time
9:44 PM
MDT
Current temp
59°F
Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms
ESE 5 mph74% chanceLive forecast
Flash Flood Warning
Flash Flood Warning issued July 17 at 9:06PM MDT until July 18 at 1:00AM MDT by NWS Great Falls MT
Flash Flood Watch
Flash Flood Watch issued July 17 at 12:23AM MDT until July 18 at 12:00AM MDT by NWS Great Falls MT
Destination
South Browning, MT
Night
in South Browning on Saturday
Local time
9:44 PM
MDT
Current temp
59°F
Chance Rain Showers then Slight Chance Showers And Thunderstorms
SW 7 mph32% chanceLive forecast
Flash Flood Warning
Flash Flood Warning issued July 17 at 9:06PM MDT until July 18 at 1:00AM MDT by NWS Great Falls MT
Flash Flood Watch
Flash Flood Watch issued July 17 at 12:23AM MDT until July 18 at 12:00AM MDT by NWS Great Falls MT
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
Very similar conditions
Both ends of the route are sitting at about the same temperature right now.
Road read
5h 13m on the road
An early start around 7-8 AM gets you there with plenty of daylight left.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
More Details
What kind of drive is this?
Expect a far more engaging experience than a standard interstate grind, as this route relies on local roads rather than high-speed highways. Since the highway share is 0%, you will spend the entire 270.7 miles navigating through varied local terrain. The road is characterized by frequent turns, requiring your full attention and steady navigation throughout the 5-hour and 13-minute journey. You will not find long, monotonous stretches here; instead, the constant adjustments make for a technical drive that keeps you alert. Prepare for a hands-on experience that rewards careful driving rather than passive cruising.
69% highway — fuel and pacing are the main things to plan.
25 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 62.2 mi on Highway 287.
How Hard Is This Drive?
3/10
This is a straightforward highway drive that stays mostly on Highway 287 and United States Highway 89. There are only a few real navigation decisions along the way. The trickiest moment comes around 33.4 miles in.
Driving Effort3/10
Easy - simple navigation with a manageable amount of wheel time
Balances navigation complexity with total wheel time.
This is a straightforward 5h 13m drive. You will face about 16 decision points, but nothing that requires special attention if you follow navigation.
Where does it get tricky?
The main spots that need attention: at 33.4 miles: Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one; at 33.7 miles (US 287 / Highway 287): Lane positioning matters here; at 96.3 miles (I 15; US 287 / First Special Service Force Memorial Highway): Merge point - match speed before joining. Lane positioning matters here.
Elevation Profile
Gently rolling terrain
4,811 ft3,561 ft
Total Climb
2,346 ft
Total Descent
2,761 ft
Highest Point
4,811 ft
Elevation Range
1,250 ft
Notable High Points
4,591 ft at ~38.7 miles+297 ft prominence
4,325 ft at ~77.3 miles+376 ft prominence
4,119 ft at ~116 miles+170 ft prominence
4,187 ft at ~154.7 miles+426 ft prominence
4,216 ft at ~232 miles+175 ft prominence
Towns Mentioned on Route Signs
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
Between Bozeman, MT and South Browning, MT, road signs point toward Ennis and Choteau.
Ennis
33.4 mi in|~35m
Choteau
132.3 mi in|~2h 23m|via US 287
Detours Along the Way
Tagged by where each one fits in your drive — first break, midpoint, final stretch.
Bozeman is a city in Montana's Yellowstone Country. Set in the middle of the Rocky Mountains, this college town is a place for experiencing the great outdoors around the year, and for those days the weather makes you want to stay indoors there are a number of museums and galleries to explore.
Top landmarks
•First Presbyterian Church, Bozeman — protestant church in Bozeman, Montana
•American Computer & Robotics Museum — computer museum in Bozeman, Montana
•Bon Ton Historic District — historic district in Montana, United States
The longest stretch is about 62.2 miles on Highway 287. The full list of main roads is in the Roads section above.
Yes — we found about 4 rest areas or service plazas within a short detour of the route (from OpenStreetMap). See the Rest Stops tab under Nearby Places for locations and mile markers. Plan to stretch, use the bathroom, and top off fluids every 2–3 hours on longer drives.
Only with planning. This is a long drive for kids — consider splitting it into two days rather than pushing through. Plan at least 1 meaningful breaks. There are 4 rest areas along the route for bathroom stops.
Mostly yes along the main roads, but rural stretches through MT can have sparse or no coverage. Before you leave, download offline Google Maps or Apple Maps for the route, and consider downloading music or podcasts instead of streaming. If you depend on data for navigation, keep a paper backup of the turn-by-turn directions.
The main spots that need attention: at 33.4 miles: Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one; at 33.7 miles (US 287 / Highway 287): Lane positioning matters here; at 96.3 miles (I 15; US 287 / First Special Service Force Memorial Highway): Merge point - match speed before joining. Lane positioning matters here.
Not recommended in a single day. At 5.2 hours each way, a round trip means 10.4 hours of driving — that is an unsafe level of fatigue for most drivers. Plan at least one night at South Browning, MT before the return drive.
