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Create accountDrive Time
2h 10m
Distance
119.2 mi
192 km
Drive Score
9/10
Great drive
Same Day?
Yes, doable
Fuel Cost
$19
one way
EV Charging
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Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Missoula, MT
John De Leon
The drive from Missoula, MT to East Helena, MT covers 119.2 miles and takes about 2h 10m behind the wheel. This route is realistic as a one-day drive if you keep your stops efficient.
The route leans on Jeannette Rankin Memorial Highway, US 12, Prospect Avenue for much of the mileage, and the overall profile is mixed drive. The longest uninterrupted segment is about 67.9 miles on Jeannette Rankin Memorial Highway. At current regular gas prices, budget about $18.89 one way before food or hotel costs.
Trip Pace
Same-day drive is realistic
A same-day return is realistic if you keep stops short.
Break Rhythm
0 planned breaks
A short stop every 2 to 3 hours is enough for this drive.
Midpoint
59.6 miles from Missoula, MT
A natural place for your longest stop of the day , about 57m into the drive .
The drive from Missoula, MT to East Helena, MT covers 119.2 miles and takes about 2h 10m, using a mix of highways and local roads.
High-altitude sections with notable climbs
Total Climb
2,038 ft
Total Descent
1,093 ft
Highest Point
5,480 ft
~94.4 mi in
Elevation Range
2,038 ft
Notable High Points
This route mixes highway mileage with some local-road sections near the start or finish. There are only a few real navigation decisions along the way. The trickiest moment comes around 0.7 miles in near I 90 Business; US 12.
Easy - simple navigation with a manageable amount of wheel time
This is a straightforward 2h 10m drive. You will face about 9 decision points, but nothing that requires special attention if you follow navigation.
Where does it get tricky?
The main spots that need attention: at 0.7 miles (I 90 Business; US 12): Exit ramp - move to the correct lane early; at 68.8 miles (US 12): Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 113.5 miles (US 12 / North Montana Avenue): Lane positioning matters here.
These are the spots where you need to pay the most attention. Preview them before you drive.
Take the exit onto I 90 Business; US 12
Exit ramp - move to the correct lane early
Take the exit onto US 12 toward US 12 East: Garrison, Helena
Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one
Turn right onto US 12 / North Montana Avenue
Lane positioning matters here
Turn left onto I 15 Business; US 12 / 11th Avenue
Lane positioning matters here
Turn left onto Wylie Drive
Lane positioning matters here
On the drive from Missoula, MT to East Helena, MT, road signs begin pointing toward Helena along the way.
Helena
| Road | Distance | Duration |
|---|---|---|
| Jeannette Rankin Memorial Highway | 67.9 mi | 1h 4m |
| US 12 | 46.2 mi | 54m |
| Prospect Avenue | 1.3 mi | 2m |
| West Lyndale Avenue | 1 mi | 2m |
| West Main Street | 0.7 mi | 1m |
| 11th Avenue | 0.6 mi | 1m |
| East Broadway Street | 0.6 mi | <1m |
| North Montana Avenue | 0.6 mi | 1m |
Step-by-step road directions between Missoula, MT and East Helena, MT.
Start on North Higgins Avenue
Turn left onto I 90 Bus; US 12 Bus
Turn left onto I 90 Bus; US 12
Take the exit onto I 90 Business; US 12
Merge onto I 90; US 12; MT 200
Take the exit onto US 12
Continue on US 12
Turn right onto US 12
Turn left onto I 15 Business; US 12
Turn straight onto I 15 Business; US 12
Continue on US 12; US 287
Turn left onto Wylie Drive
Turn right onto West Main Street
Arrive at destination
Morning Departure
Leave by 9 AM and you'll arrive before lunch.
Evening Departure
Even a 4 PM departure gets you there before dark in summer.
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 80 miles or 1h 19m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 59.6 miles or 57m in
This is the best place for your longest stop, a real meal, and a full fuel check.
Final approach
Final hour starts around 1h 40m
Traffic, exits, and arrival timing usually matter more near East Helena, MT than in the middle of the route.
Open the route before leaving Missoula, 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 Missoula, MT
This is one driving day of about 119.2 miles and 2h 10m.
Rest stops, refuel points, and overnight suggestions along this route.
Halfway Point
Midpoint
About 59.6 mi from Missoula, MT · 57m into the drive
Mid-route town
Meal stop
60 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 80 miles helps settle the day before fatigue starts building.
The midpoint is around 59.6 miles from Missoula, MT, which is a good place for a longer meal and fuel stop.
Before the longest stretch
Fuel checkTop up before Jeannette Rankin Memorial Highway if your tank is already low. That segment runs about 67.9 miles.
The final approach into East Helena, 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 East Helena, MT.
These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.
Regular Gas
$18.89 one way
$37.78 round trip
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.23 | $19.86 | $39.71 |
| premium | $4.53 | $21.25 | $42.51 |
| diesel | $5.64 | $26.48 | $52.96 |
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$19
Meals
$25–$50
Total
$44–$69
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 41.7 kg one way. Prices: EIA weekly data, 2026-04-06.
Driving Electric?
About $13 in charging · 0 stops · 67% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 35.8 | 0 | $12.52 | $5.72 |
| Efficient EV | 29.8 | 0 | $10.43 | $4.77 |
| EV Truck/SUV | 47.7 | 0 | $16.69 | $7.63 |
Gas CO2
42 kg
EV CO2
14 kg (67% less)
This trip is well within single-charge range for most EVs. No charging stops needed if you start fully charged.
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 Missoula on Sunday
Local time
5:23 PM
MDT
Current temp
64°F
Patchy Fog then Showers And Thunderstorms Likely
Destination
Evening in East Helena on Sunday
Local time
5:23 PM
MDT
Current temp
61°F
Partly Sunny then Slight Chance Showers And Thunderstorms
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
The weather snapshot is not static. If you are leaving later, give both cities one more quick forecast check before departure.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
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