Sign in
No account yet?
Create accountDrive Time
6h 35m
Distance
368.8 mi
594 km
Drive Score
8/10
Great drive
Same Day?
Yes, doable
Fuel Cost
$58
one way
EV Charging
Loading...
station data
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Kalispell, MT
James Mirakian
Big Timber, MT
John De Leon
Spanning 368.8 miles across Montana, this trek from Kalispell to Big Timber is a significant journey that takes approximately 6 hours and 35 minutes to complete. Because the route relies heavily on major arteries like I-15, MT-83, and I-90, you can realistically finish the trip in a single long day. Budgeting around $58 for fuel is a smart way to prepare for the expenses associated with this cross-state drive. Since both ends of your trip sit within the Mountain West, you will experience a consistent regional feel as you navigate the state. While it is certainly manageable as a one-day haul, consider your personal stamina before committing to the full distance behind the wheel. Ultimately, this journey is a practical, highway-heavy path through the heart of Montana that prioritizes efficiency over local detours.
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
184.4 miles from Kalispell, MT
A natural place for your longest stop of the day , about 3h 32m into the drive .
Expect a drive dominated by pavement, as 99% of this route consists of high-speed highways. You will settle into a steady rhythm on I-15 and I-90, with a particularly long 110.8-mile stretch that allows you to maintain consistent cruising speeds. The transition between MT-83 and the interstate segments shifts the character of the road, moving from local highway driving to the more rapid pace of major transit corridors. Because the route is so highway-focused, you will spend most of your time focused on the road ahead rather than navigating technical twists or turns. It is a straightforward, functional drive that rewards drivers who appreciate the reliability of well-maintained, high-capacity roads.
High-altitude sections with notable climbs
Total Climb
2,640 ft
Total Descent
1,147 ft
Highest Point
5,396 ft
~322.7 mi in
Elevation Range
2,441 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 0.1 miles in near 1st Avenue East.
Easy - simple navigation with a manageable amount of wheel time
The route itself is not hard, but at 6h 35m, endurance matters. Plan breaks every 2-3 hours. The 19 decision points are all manageable with basic attention.
Where does it get tricky?
The main spots that need attention: at 0.1 miles (1st Avenue East): Lane positioning matters here; at 4.8 miles (Rocky Cliff Drive): Navigation decision point; at 15.3 miles (MT 35): Lane positioning matters here.
These are the spots where you need to pay the most attention. Preview them before you drive.
Turn right onto 1st Avenue East
Lane positioning matters here
At end of road, turn right onto Rocky Cliff Drive
Navigation decision point
Turn right onto MT 35
Lane positioning matters here
Turn left onto MT 83
Lane positioning matters here
Keep slight right at fork onto I 15; I 90
Highway fork - watch signs carefully. Lane positioning matters here
| 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 |
| US 12 | 12.9 mi | 14m |
| MT 82 | 6.9 mi | 8m |
| US 93 South | 6.3 mi | 8m |
Step-by-step road directions between Kalispell, MT and Big Timber, MT.
Start on 3rd Street West
Turn right onto 1st Avenue East
Turn left onto US 93
Turn left onto Snowline Lane
Turn right onto Demersville Road
At end of road, turn right onto Rocky Cliff Drive
Turn left onto US 93
Turn left onto MT 82
Turn right onto 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 keep your energy levels steady, plan for at least one substantial stop to break up the 6.5-hour duration of your trip. Starting your journey early in the morning is your best bet to ensure you arrive in Big Timber before dark, avoiding the fatigue that often sets in during the final hour of long-distance highway travel. Keep an eye on your fuel gauge throughout the trip, as the $58 estimate is a baseline; having a buffer is always wise when traversing long, uninterrupted stretches of interstate. Since you have the flexibility of a single-day itinerary, prioritize your rest breaks early in the drive to stay sharp for the longer segments on the interstate. Remember that with nearly 369 miles to cover, consistent pacing is the key to a successful arrival.
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 39m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 184.4 miles or 3h 32m 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 35m
Traffic, exits, and arrival timing usually matter more near Big Timber, MT than in the middle of the route.
Open the route before leaving Kalispell, 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 Kalispell, MT
This is one driving day of about 368.8 miles and 6h 35m.
Rest stops, refuel points, and overnight suggestions along this route.
Halfway Point
Midpoint
About 184.4 mi from Kalispell, MT · 3h 32m into the drive
Mid-route town
Meal stop
184 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 184.4 miles from Kalispell, 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
$58.44 one way
$116.88 round trip
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.23 | $61.43 | $122.87 |
| premium | $4.53 | $65.76 | $131.52 |
| diesel | $5.64 | $81.93 | $163.87 |
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$58
Meals
$25–$50
Total
$83–$108
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 129 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 | 110.6 | 1 | $38.72 | $17.70 |
| Efficient EV | 92.2 | 1 | $32.27 | $14.75 |
| EV Truck/SUV | 147.5 | 1 | $51.63 | $23.60 |
Gas CO2
129 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 Kalispell on Sunday
Local time
8:48 PM
MDT
Current temp
40°F
Slight Chance Rain Showers
Destination
Evening in Big Timber on Sunday
Local time
8:48 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.
Thanks for your feedback!
Your tip has been submitted. Thanks!
/500
Recent Tips
·
Explore more options from Kalispell, MT or browse trips ending in Big Timber, MT.
Looking for more statewide routes? Browse MT road trips.
Explore maps for Kalispell, MT or Big Timber, MT on MapSof.net.