How far is Missoula, MT from East Helena, MT?
The driving distance from Missoula, MT to East Helena, MT is about 119.2 miles (191.9 km), with a travel time of about 02h 10m by car.
- The straight-line flight distance is about 100.4 miles (161.5 km).
- For a round trip, plan for roughly 04h 21m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM MDT.
Reverse, save, or send this route
This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.
This route works well as a day trip with time at the destination.
Flight Distance
Driving Distance
Gas Cost Calculator
Leave and Arrive Planner
Pick a departure time to see your estimated arrival and same-day return window.
Drive time stays fixed at 02h 10m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
You are leaving earlier than the recommended window, which gives you extra margin for breaks and traffic.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
Town of the United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Rain Showers Likely
Mostly Sunny then Slight Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Missoula and East Helena.
Turn-by-Turn Driving Directions
Step-by-step road directions between Missoula and East Helena.
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1
Start on North Higgins Avenue
6 m · 8 sec · North Higgins Avenue
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2
Turn left onto East Broadway Street
3078 ft · 59 sec · East Broadway Street
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3
Turn left onto Van Buren Street
133 m · 6 sec · Van Buren Street
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4
Take the exit right
1216 ft · 30 sec
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5
Merge slight left onto Jeannette Rankin Memorial Highway
67.9 mi · 1 hr 5 min · Jeannette Rankin Memorial Highway
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6
Take the exit slight right toward US 12 East: Garrison, Helena
43.8 mi · 51 min
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7
Continue on West Lyndale Avenue
1.6 km · 2 min · West Lyndale Avenue
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8
Turn right onto North Montana Avenue
3033 ft · 2 min · North Montana Avenue
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9
Turn left onto 11th Avenue
1 km · 1 min · 11th Avenue
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10
Turn straight onto Prospect Avenue
1.3 mi · 2 min · Prospect Avenue
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11
Continue straight
2.4 mi · 3 min
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12
Turn left onto Wylie Drive
53 m · 9 sec · Wylie Drive
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13
Turn right onto West Main Street
1.2 km · 2 min · West Main Street
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14
Arrive at your destination
0 m · 1 sec · East Main Street
Car Route Details
A richer read on the saved driving route between Missoula and East Helena.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Jeannette Rankin Memorial Highway
Merge slight left onto Jeannette Rankin Memorial Highway
67.9 mi · 01h 05m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A comfortable day-trip route
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
Rain Showers Likely leaving Missoula and Mostly Sunny then Slight Chance Showers And Thunderstorms near East Helena.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Missoula to East Helena?
The road trip is about 119.2 miles (191.9 km) and usually takes 02h 10m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
What is the halfway point on this route?
Dutton is a useful midpoint, sitting about 59.5 miles from Missoula and 59.7 miles from East Helena.
How much longer is the road route than the straight-line distance?
The direct path is about 100.4 miles (161.5 km), while the road route adds roughly 18.8 extra miles because roads do not follow the straight air line.
When is the best time to leave for this route?
A good departure window is usually 8:00 AM to 10:00 AM MDT. If you want a more comfortable same-day return, try to leave by 2:08 PM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $16.39 one way or $32.78 round trip. Estimated CO2 is about 37.4 kg one way.
What should you check before leaving?
Before you leave, expect Rain Showers Likely around Missoula and Mostly Sunny then Slight Chance Showers And Thunderstorms near East Helena.
Stop Ideas Near Dutton
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Dutton.
Butte, MT
Missoula, MT
Flight Path Map
This map shows the direct air route between Missoula and East Helena. Straight-line distance: 100.35 mi (161.49 km).
#1 Missoula
The most populous city in Missoula County, Montana.
| Population | 76,848 |
| Coordinates | 46.8721500, -113.9940000 |
| Altitude | 978 |
| Country | United States |
#2 East Helena
Town of the United States
| Population | 2,130 |
| Coordinates | 46.5896600, -111.9155500 |
| Altitude | 1185 |
| Country | United States |
End: East Helena (-111.91555, 46.58966)
Estimated Travel Time
Distance: 192 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 58m |
| 40 mph (64.37 km/h) | 02h 58m |
| 50 mph (80.47 km/h) | 02h 23m |
| 60 mph (96.56 km/h) | 01h 59m |
| 70 mph (112.65 km/h) | 01h 42m |
| 80 mph (129 km/h) | 01h 29m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $16.39 | $32.78 |
| Mid-grade | $4.23 | $17.81 | $35.63 |
| Premium | $4.55 | $19.15 | $38.30 |
| Diesel | $5.41 | $22.78 | $45.57 |
Assumes 8.3 L/100 km (about 28.3 MPG). CO2 is an estimate and varies by vehicle, fuel blend, traffic, and terrain.
Prices in Montana · Jun 11, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.