Bozeman, MT to Miles City, MT is 286.3 miles and takes about 4h 57m via I 90 and I 94, with a fuel budget near $51 and enough daylight to finish in a day. This trip stays within Montana, connecting two points in the Mountain West region. It's a straightforward, mostly highway drive, making it a practical option if you're looking for an efficient way to cover ground. You'll spend nearly all your time on major interstates, so plan for steady, consistent travel.
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
143.1 miles from Bozeman, MT
A natural place for your longest stop of the day
, about 2h 26m into the drive
.
Main Roads
Road
Distance
Duration
I 90
146.3 mi
2h 26m
I 94
134.7 mi
2h 20m
I 94 Business
3.6 mi
6m
West Main Street
1.4 mi
3m
North Willson Avenue
<0.1 mi
<1m
Main Street
—
—
Some road-level metrics are being recalculated.
Longest stretch:
I 90
— 146.3 mi, about 2h 26m
Traffic on I-90
Hour-of-day weekday pattern from 20 FHWA count stations on your route.
Peak
4 PM
~770 veh/hr typical
· worst 941
Quietest
2 AM
~44 veh/hr
Peak-to-quiet ratio
17.5×
busier at peak than in the quiet hours
12a6anoon6p11p
Averaged across 52 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 Miles City, MT.
1
Start on North Willson Avenue
130 ft·11 sec·North Willson Avenue
2
Turn left onto I 90 Business; US 191; MT 84
1.4 mi·3 min·West Main Street
3
Take the exit
0.3 mi·43 sec
4
Merge onto I 90; US 191
23 mi·23 min·I 90; US 191
5
Continue on I 90; US 89; US 191
6.9 mi·6 min·I 90; US 89; US 191
6
Continue on I 90; US 191
113 mi·1 hr 53 min·I 90; US 191
7
Continue on I 90; US 87; US 212
3.1 mi·3 min·I 90; US 87; US 212
8
Keep slight left at fork onto I 94
135 mi·2 hr 20 min·I 94
Toward I 94 East: Bismark
9
Take the exit onto I 94 Business
3.6 mi·6 min·I 94 Business
Toward I 94 Business: Miles City, Jordan
10
Arrive at destination
MT 59
Trip Plan
Given the 4h 57m duration, this trip is easily doable in a single day. Departing Bozeman in the morning will give you plenty of daylight to reach Miles City without feeling rushed. With only one recommended stop, you have flexibility in when and where you choose to break up the drive. Keep an eye on your fuel levels, especially during the 146.3-mile stretch on I 90, as services can be spread out. The majority of the route uses I 90 and I 94, so ensure your vehicle is ready for extended highway speeds.
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 143.1 miles from Bozeman, MT, or about 2h 26m into the drive.
The longest continuous stretch on this route runs about 146.3 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 63 miles or 1h 5m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 143.1 miles or 2h 26m 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 1m
Traffic, exits, and arrival timing usually matter more near Miles City, 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 286.3 miles and 4h 57m.
Your first comfortable stop window is around 63 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 I 90 for about 146.3 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 5
5 decision points cluster between mile 0 and 282.7 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
4
0 mi into trip|~0m in|I 90 Business; US 191; MT 84 / West Main Street
Turn left onto I 90 Business; US 191; MT 84 / West Main Street
Navigation decision point
4
1.4 mi into trip|~3m in
Take the exit
Exit ramp - move to the correct lane early
3
1.7 mi into trip|~4m in|I 90; US 191
Merge onto I 90; US 191
Merge point - match speed before joining
5
148 mi into trip|~2h 31m in|I 94
Keep slight left at fork onto I 94 toward I 94 East: Bismark
Highway fork - watch signs carefully
Toward I 94 East: Bismark
5
282.7 mi into trip|~4h 51m in|I 94 Business
Take the exit onto I 94 Business toward I 94 Business: Miles City, Jordan
Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one
Toward I 94 Business: Miles City, Jordan
Fuel & Cost
Regular Gas
$44.62 one way
$89.25 round trip
$3.96/gal25.4 MPG avg100 kg CO2
Fuel Type
$/gal
One Way
Round Trip
midgrade
$4.17
$47.04
$94.07
premium
$4.47
$50.43
$100.86
diesel
$4.80
$54.06
$108.12
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$45
Meals
$25–$50
Total
$70–$95
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 100.2 kg one way.
Prices: EIA weekly data, 2026-07-13.
Driving Electric?
About $30 in charging
· 1 stop
· 67% less CO2
Vehicle Type
kWh
Stops
DC Fast
Home Charge
Average EV
85.9
1
$30.06
$13.74
Efficient EV
71.6
0
$25.05
$11.45
EV Truck/SUV
114.5
1
$40.08
$18.32
Gas CO2
100 kg
EV CO2
33 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.
Travel Intel
Current conditions at both ends of the drive.
Forecast as of Jul 18, 2026
Origin
Bozeman, MT
Late night
in Bozeman on Sunday
Local time
3:54 AM
MDT
Current temp
59°F
Showers And Thunderstorms Likely
SE 2 to 8 mph74% chanceLive forecast
Special Weather Statement
Special Weather Statement issued July 17 at 6:47PM MDT by NWS Great Falls MT
Special Weather Statement
Special Weather Statement issued July 17 at 6:36PM MDT by NWS Missoula MT
Destination
Miles City, MT
Late night
in Miles City on Sunday
Local time
3:54 AM
MDT
Current temp
71°F
Mostly Cloudy then Slight Chance Showers And Thunderstorms
E 9 to 13 mph32% chanceLive forecast
Special Weather Statement
Special Weather Statement issued July 17 at 6:47PM MDT by NWS Great Falls MT
Special Weather Statement
Special Weather Statement issued July 17 at 6:36PM MDT by NWS Missoula MT
99°F
Laurel, MT
143 mi in
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
12 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
4h 57m 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?
This drive is almost entirely highway, with a 99% highway share. You'll experience a longest stretch of 146.3 miles on I 90 before transitioning to I 94 and I 94 Business. Expect consistent rural cruising for the majority of the trip, with exits spaced out over long distances. The transition from I 90 to I 94 is a key point, but the route remains on high-speed roads.
99% highway — fuel and pacing are the main things to plan.
10 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 146.3 mi on I 90.
How Hard Is This Drive?
3/10
This is a straightforward highway drive that stays mostly on I 90 and I 94. There are only a few real navigation decisions along the way. The trickiest moment comes early in the drive near I 90 Business; US 191; MT 84 / West Main Street.
Driving Effort3/10
Easy - simple navigation with a manageable amount of wheel time
Balances navigation complexity with total wheel time.
This is a straightforward 4h 57m drive. You will face about 5 decision points, but nothing that requires special attention if you follow navigation.
Where does it get tricky?
The main spots that need attention: near the start (I 90 Business; US 191; MT 84 / West Main Street): Navigation decision point; at 1.4 miles: Exit ramp - move to the correct lane early; at 1.7 miles (I 90; US 191): Merge point - match speed before joining.
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 146.3 miles on I 90. The full list of main roads is in the Roads section above.
Yes — we found about 10 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.
Yes, with realistic expectations. Build in a stop roughly every 2 hours, have snacks and activities ready, and check the Nearby Places tabs for kid-friendly stops along the way.
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: near the start (I 90 Business; US 191; MT 84 / West Main Street): Navigation decision point; at 1.4 miles: Exit ramp - move to the correct lane early; at 1.7 miles (I 90; US 191): Merge point - match speed before joining.
Possible but tiring. At 5.0 hours each way, an in-and-out day trip would put you behind the wheel for 9.9 hours — manageable with a long break at Miles City, MT, but most travelers stay overnight.
