Spanning 375.6 miles across Montana, this trek from West Yellowstone to Miles City typically takes about 6 hours and 52 minutes of driving time. Because the route stays within the Mountain West region, you will experience a consistent landscape transition as you move eastward. While it is technically feasible to complete the journey in a single day, the nearly seven-hour duration makes for a long stint behind the wheel. Budgeting approximately $60 for fuel is a smart way to prepare for the trip. Since the drive relies heavily on major corridors like I-90 and I-94, it is a straightforward, highway-focused route that favors efficiency over winding backroads. It is a practical choice if you are looking to cross the state quickly.
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
187.8 miles from West Yellowstone, MT
A natural place for your longest stop of the day
, about 3h 36m into the drive
.
Main Roads
Road
Distance
Duration
I 90
146.3 mi
2h 26m
I 94
134.7 mi
2h 20m
Gallatin Road
81.5 mi
1h 41m
Huffine Lane
5.3 mi
7m
I 94 Business
3.6 mi
6m
West Babcock Street
1.8 mi
4m
East Main Street
0.9 mi
2m
West Main Street
0.7 mi
<1m
Longest stretch:
I 90
— 146.3 mi, about 2h 26m
Turn-by-Turn Driving Directions
Step-by-step road directions between West Yellowstone, MT and Miles City, MT.
1
Start on Electric Street
39 ft·5 sec·Electric Street
2
Turn right onto US 20
0.2 mi·47 sec·Firehole Avenue
3
Turn left onto US 191; US 287
0.2 mi·28 sec·Canyon Street
4
Continue on US 191; US 287
82 mi·1 hr 41 min·Gallatin Road
5
Turn right onto US 191; MT 84
5.3 mi·7 min·Huffine Lane
Use the straight / right lanes.
6
Continue on US 191; MT 84
0.7 mi·58 sec·West Main Street
Use the left / straight lanes.
7
Turn right onto West Babcock Street
0.7 mi·1 min·West Babcock Street
8
At end of road, turn right onto South 11th Avenue
36 ft·6 sec·South 11th Avenue
9
Turn left onto West Babcock Street
1.1 mi·2 min·West Babcock Street
10
At end of road, turn left onto South Wallace Avenue
358 ft·13 sec·South Wallace Avenue
11
Turn right onto I 90 Business; US 191; MT 84
0.9 mi·2 min·East Main Street
12
Take the exit
0.3 mi·43 sec
13
Merge onto I 90; US 191
23 mi·23 min·I 90; US 191
14
Continue on I 90; US 89; US 191
6.9 mi·6 min·I 90; US 89; US 191
15
Continue on I 90; US 191
113 mi·1 hr 53 min·I 90; US 191
16
Continue on I 90; US 87; US 212
3.1 mi·3 min·I 90; US 87; US 212
17
Keep slight left at fork onto I 94
135 mi·2 hr 20 min·I 94
Toward I 94 East: Bismark
18
Take the exit onto I 94 Business
3.6 mi·6 min·I 94 Business
Toward I 94 Business: Miles City, Jordan
19
Arrive at destination
MT 59
Trip Plan
To keep your energy high, plan to integrate at least one substantial stop to break up the nearly seven-hour travel time. Leaving early in the morning is your best strategy to avoid fatigue and ensure you reach Miles City before sunset. Given the 146.3-mile stretch on I-90, make sure to monitor your fuel gauge closely before heading out on that segment to avoid any unnecessary stress. Since the trip is manageable as a single-day commitment, prioritize a mid-day break to stretch your legs and refresh. Keeping your fuel budget around the $60 estimate will help you stay on track, but keep a little extra set aside for fluctuating local prices along the interstate.
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.
You can normally do this drive in one day.
Plan roughly 1 meaningful break for fuel, food, and rest.
The halfway point lands around 187.8 miles from West Yellowstone, MT, or about 3h 36m 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 83 miles or 1h 44m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 187.8 miles or 3h 36m 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 47m
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 West Yellowstone, 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 West Yellowstone, MT
This is one driving day of about 375.6 miles and 6h 52m.
Your first comfortable stop window is around 83 miles from West Yellowstone, 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 12
5 decision points cluster between mile 0 and 237.3 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
5
0 mi into trip|~0m in|US 20 / Firehole Avenue
Turn right onto US 20 / Firehole Avenue
Navigation decision point
5
0.2 mi into trip|~0m in|US 191; US 287 / Canyon Street
Turn left onto US 191; US 287 / Canyon Street
Navigation decision point
6
81.9 mi into trip|~1h 43m in|US 191; MT 84 / Huffine Lane
Turn right onto US 191; MT 84 / Huffine Lane
Lane positioning matters here
Use the straight / right lanes.
5
88.6 mi into trip|~1h 53m in|South 11th Avenue
At end of road, turn right onto South 11th Avenue
Navigation decision point
5
237.3 mi into trip|~4h 26m 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
Fuel & Cost
Regular Gas
$59.52 one way
$119.04 round trip
$4.03/gal25.4 MPG avg131 kg CO2
Fuel Type
$/gal
One Way
Round Trip
midgrade
$4.22
$62.39
$124.78
premium
$4.53
$67.00
$134.00
diesel
$5.61
$82.93
$165.86
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$60
Meals
$25–$50
Total
$85–$110
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 131.4 kg one way.
Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $39 in charging
· 1 stop
· 66% less CO2
Vehicle Type
kWh
Stops
DC Fast
Home Charge
Average EV
112.7
1
$39.44
$18.03
Efficient EV
93.9
1
$32.87
$15.02
EV Truck/SUV
150.2
1
$52.58
$24.04
Gas CO2
131 kg
EV CO2
44 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 Apr 13, 2026
Origin
West Yellowstone, MT
Evening
in West Yellowstone on Saturday
Local time
7:30 PM
MDT
Current temp
44°F
Light Snow Likely
SW 12 to 15 mph67% chanceLive forecast
Special Weather Statement
Special Weather Statement issued April 13 at 2:42PM MDT by NWS Billings MT
Special Weather Statement
Special Weather Statement issued April 13 at 2:06PM MDT by NWS Billings MT
Destination
Miles City, MT
Evening
in Miles City on Saturday
Local time
7:30 PM
MDT
Current temp
75°F
Unavailable
Live forecast
71°F
Livingston, MT
188 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
31 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
6h 52m on the road
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.
National Parks Near This Route
Worth a detour if your schedule allows.
Yellowstone National Park
National Park
On March 1, 1872, Yellowstone became the first national park for all to enjoy the unique hydrothermal wonders. Today, millions of people come here each year to camp, hike, and enjoy the majesty of the...
28 mi from route
~69 min detour
$35
Park Closure: Most Park Roads Closed to All Vehicles
Park data from the National Park Service API. Alerts update every 2 hours.
More Details
What kind of drive is this?
This journey is defined by a heavy reliance on high-speed infrastructure, with 76% of the route consisting of highway travel. You will navigate a mix of Gallatin Road and the expansive stretches of I-90 and I-94 throughout the day. Be prepared for a significant amount of time on the interstate, including a longest uninterrupted stretch of 146.3 miles on I-90. The road character is largely consistent and efficient, trading technical curves for long-distance cruising. You should expect a steady, predictable pace that allows you to cover large swaths of Montana territory without the frequent stops required by secondary roads.
76% highway — fuel and pacing are the main things to plan.
19 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 US 20 / Firehole Avenue.
Driving Effort3/10
Easy - simple navigation with a manageable amount of wheel time
Balances navigation complexity with total wheel time.
The route itself is not hard, but at 6h 52m, endurance matters. Plan breaks every 2-3 hours. The 12 decision points are all manageable with basic attention.
Where does it get tricky?
The main spots that need attention: near the start (US 20 / Firehole Avenue): Navigation decision point; at 0.2 miles (US 191; US 287 / Canyon Street): Navigation decision point; at 81.9 miles (US 191; MT 84 / Huffine Lane): Lane positioning matters here.
Who Is This Route For?
Weekend Trip
Doable as a same-day drive at 6h 52m. Total distance: 375.6 miles.
Family Friendly
Moderate complexity with 1 natural rest stops along the way.
The longest stretch is about 146.3 miles on I 90. The full list of main roads is in the Roads section above.
We did not find dedicated rest areas on this route. For a drive this long, plan bathroom and stretch breaks around gas stations, fast-food stops, or small-town downtowns — check the Nearby Places section for options.
It helps. This is a long drive, so arriving tired and in the dark compounds. If the last hour of the trip is on surface roads or mountain grades, aim to arrive at Miles City, MT before sunset when you can. Check the Trip Plan for departure windows that land you in daylight.
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. Dedicated rest areas are limited, so plan gas or food stops as your bathroom breaks.
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 (US 20 / Firehole Avenue): Navigation decision point; at 0.2 miles (US 191; US 287 / Canyon Street): Navigation decision point; at 81.9 miles (US 191; MT 84 / Huffine Lane): Lane positioning matters here.
Yes — Yellowstone National Park. See the National Parks section for detour distances and tips on detours.
Not recommended in a single day. At 6.9 hours each way, a round trip means 13.8 hours of driving — that is an unsafe level of fatigue for most drivers. Plan at least one night at Miles City, MT before the return drive.
