Connecting Dillon to Evergreen, this 279.7-mile journey through the Mountain West is a straightforward trek that takes approximately 5 hours of driving time. Because the route is highly efficient, it serves as a manageable day trip, though you should budget about $44 for fuel to cover the distance. You will primarily utilize a combination of I-15 Business, I-90, and MT 83 to navigate between these two Montana locations. While the drive is perfectly doable in a single day, knowing the route remains consistent in its highway-focused character helps you plan your day accordingly. It is a practical path that gets you from point A to point B without unnecessary complexity, making it an ideal choice for travelers prioritizing speed and reliability.
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
139.9 miles from Dillon, MT
A natural place for your longest stop of the day
, about 2h 20m into the drive
.
Main Roads
Road
Distance
Duration
MT 83
91.1 mi
1h 43m
I 15 Business
57.4 mi
54m
I 90
42.3 mi
39m
MT 141
32.5 mi
35m
MT 200
23.8 mi
25m
MT 35
15.9 mi
18m
US 12
12.9 mi
14m
East Evergreen Drive
1 mi
2m
Longest stretch:
MT 83
— 91.1 mi, about 1h 43m
Turn-by-Turn Driving Directions
Step-by-step road directions between Dillon, MT and Evergreen, MT.
1
Start on South Idaho Street
350 ft·20 sec·South Idaho Street
2
Turn left onto East Bannack Street
0.3 mi·40 sec·East Bannack Street
3
Continue on Black Tail Boulevard
0.6 mi·1 min·Black Tail Boulevard
4
Turn left onto I 15 Bus
416 ft·7 sec·I 15 Bus
5
Take the ramp onto I 15 Business
186 ft·4 sec·I 15 Business
6
Keep slight right at fork onto I 15 Business
57 mi·54 min·I 15 Business
7
Take the exit
0.5 mi·1 min
Toward I 90 West: Missoula
8
Merge onto I 90
42 mi·39 min·I 90
Toward I 90 West: Missoula
9
Take the exit
1.2 mi·2 min
Toward US 12 East: Helena, Garrison
10
At end of road, turn right onto US 12
13 mi·14 min·US 12
11
Turn sharp left onto MT 141
32 mi·35 min·MT 141
12
At end of road, turn left onto MT 200
24 mi·25 min·MT 200
13
Turn right onto MT 83
91 mi·1 hr 43 min·MT 83
14
At end of road, turn right onto MT 35
11 mi·13 min·MT 35
15
Continue on MT 35
4.5 mi·5 min·MT 35
Use the straight lane.
16
Turn right onto Helena Flats Road
0.1 mi·19 sec·Helena Flats Road
17
Turn left onto East Evergreen Drive
1.0 mi·2 min·East Evergreen Drive
18
Turn left onto US 2
26 ft·0 sec·La Salle Road
19
Arrive at destination
US 2
Trip Plan
Since this is a 5-hour commitment, departing early in the morning allows you to reach Evergreen with plenty of daylight to spare. You only need to plan for one major stop to refuel and stretch your legs, making the trip quite flexible for your schedule. Given that nearly the entire route is highway-based, keep a steady pace and be mindful of your fuel levels before hitting the longer 91.1-mile segment on MT 83. If you find the drive tiring, use that single planned stop as a true reset point rather than just a quick pit stop. Staying aware of the transition between the interstate portions and MT 83 will help you maintain a smooth, stress-free flow throughout the day.
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 139.9 miles from Dillon, MT, or about 2h 20m into the drive.
The longest continuous stretch on this route runs about 91.1 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 62 miles or 1h in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 139.9 miles or 2h 20m 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
Traffic, exits, and arrival timing usually matter more near Evergreen, MT than in the middle of the route.
Before You Leave
+
Open the route before leaving Dillon, 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 Dillon, MT
This is one driving day of about 279.7 miles and 5h.
Your first comfortable stop window is around 62 miles from Dillon, 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 MT 83 for about 91.1 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 15
5 decision points cluster between mile 0.1 and 115.3 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
5
0.1 mi into trip|~0m in|East Bannack Street
Turn left onto East Bannack Street
Navigation decision point
4
0.9 mi into trip|~2m in|I 15 Bus
Turn left onto I 15 Bus
Navigation decision point
5
101.2 mi into trip|~1h 37m in
Take the exit toward US 12 East: Helena, Garrison
Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one
Toward US 12 East: Helena, Garrison
5
102.4 mi into trip|~1h 39m in|US 12
At end of road, turn right onto US 12
Navigation decision point
5
115.3 mi into trip|~1h 53m in|MT 141
Turn sharp left onto MT 141
Sharp turn - reduce speed on approach
Fuel & Cost
Regular Gas
$44.32 one way
$88.65 round trip
$4.03/gal25.4 MPG avg98 kg CO2
Fuel Type
$/gal
One Way
Round Trip
midgrade
$4.22
$46.46
$92.92
premium
$4.53
$49.89
$99.79
diesel
$5.61
$61.75
$123.51
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$44
Meals
$25–$50
Total
$69–$94
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 97.9 kg one way.
Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $29 in charging
· 1 stop
· 66% less CO2
Vehicle Type
kWh
Stops
DC Fast
Home Charge
Average EV
83.9
1
$29.37
$13.43
Efficient EV
69.9
0
$24.47
$11.19
EV Truck/SUV
111.9
1
$39.16
$17.90
Gas CO2
98 kg
EV CO2
33 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 12, 2026
Origin
Dillon, MT
Night
in Dillon on Saturday
Local time
10:34 PM
MDT
Current temp
61°F
Slight Chance Light Rain then Showers And Thunderstorms Likely
S 5 to 15 mph63% chanceLive forecast
Destination
Evergreen, MT
Night
in Evergreen on Saturday
Local time
10:34 PM
MDT
Current temp
62°F
Chance Rain Showers
NNE 2 mph42% chanceLive forecast
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
1 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
5h 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 trip dominated by high-speed travel, as 99% of your journey takes place on highways. The road experience is defined by efficiency, transitioning between established interstate corridors and the state highway system. Be prepared for a significant rhythm shift during the 91.1-mile stretch on MT 83, which serves as the longest uninterrupted portion of the drive. While the majority of the route feels like a consistent highway grind, the transition between road types keeps the drive from feeling entirely monotonous. You will spend most of your time focused on steady progress rather than technical maneuvers, ensuring a predictable experience behind the wheel.
99% 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: 91.1 mi on MT 83.
How Hard Is This Drive?
3/10
This is a straightforward highway drive that stays mostly on MT 83 and I 15 Business. There are only a few real navigation decisions along the way. The trickiest moment comes around 0.1 miles in near East Bannack 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 5h drive. You will face about 15 decision points, but nothing that requires special attention if you follow navigation.
Where does it get tricky?
The main spots that need attention: at 0.1 miles (East Bannack Street): Navigation decision point; at 0.9 miles (I 15 Bus): Navigation decision point; at 101.2 miles: Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one.
Elevation Profile
High-altitude sections with notable climbs
5,805 ft2,924 ft
Total Climb
862 ft
Total Descent
3,354 ft
Highest Point
5,805 ft
~46.6 mi in
Elevation Range
2,882 ft
Notable High Points
5,805 ft at ~46.6 miles+742 ft prominence
4,835 ft at ~128.2 miles+87 ft prominence
4,025 ft at ~186.5 miles+33 ft prominence
Towns Mentioned on Route Signs
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
On the drive from Dillon, MT to Evergreen, MT, road signs begin pointing toward Garrison along the way.
Garrison
101.2 mi in|~1h 37m
Who Is This Route For?
Weekend Trip
Doable as a same-day drive at 5h. Total distance: 279.7 miles.
Family Friendly
Moderate complexity with 1 natural rest stops along the way.
The longest stretch is about 91.1 miles on MT 83. 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.
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: at 0.1 miles (East Bannack Street): Navigation decision point; at 0.9 miles (I 15 Bus): Navigation decision point; at 101.2 miles: Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one.
Possible but tiring. At 5.0 hours each way, an in-and-out day trip would put you behind the wheel for 10.0 hours — manageable with a long break at Evergreen, MT, but most travelers stay overnight.
