How far is Helena, MT from Montana City, MT?
The driving distance from Helena, MT to Montana City, MT is about 6.9 miles (11.1 km), with a travel time of about 00h 10m by car.
- The straight-line flight distance is about 6.2 miles (10 km).
- For a round trip, plan for roughly 00h 21m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 7:00 AM to 7:00 PM MDT.
Reverse, save, or send this route
This is an easy same-day return drive. Copy the route link, send it to another device, or print a clean version before you head out.
This is an easy same-day return drive.
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 00h 10m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
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.
Chance Light Rain then Showers And Thunderstorms
Slight Chance Light Rain then Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Helena and Montana City.
Turn-by-Turn Driving Directions
Step-by-step road directions between Helena and Montana City.
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1
Start on Cruse Avenue
50 m · 8 sec · Cruse Avenue
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2
Turn left onto 11th Avenue
1.4 mi · 4 min · 11th Avenue
-
3
Turn straight onto Prospect Avenue
835 ft · 22 sec · Prospect Avenue
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4
Take the exit slight right toward I 15 South: Butte
1984 ft · 49 sec
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5
Merge slight left onto First Special Service Force Memorial Highway
4 mi · 4 min · First Special Service Force Memorial Highway
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6
Take the exit slight right toward MT 518: Montana City
1302 ft · 36 sec
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7
Turn left onto Montana Highway 518
1.1 km · 1 min · Montana Highway 518
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8
Arrive at your destination
0 m · 1 sec · Montana Highway 518
Car Route Details
A richer read on the saved driving route between Helena and Montana City.
Turn-heavy local drive
The route has frequent decision points for its length, so lane choice and turn timing will matter more than cruising speed.
First Special Service Force Memorial Highway
Merge slight left onto First Special Service Force Memorial Highway
4.01 mi · 00h 04m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A short regional drive
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
Chance Light Rain then Showers And Thunderstorms leaving Helena and Slight Chance Light Rain then Showers And Thunderstorms near Montana City.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Helena to Montana City?
The road trip is about 6.9 miles (11.1 km) and usually takes 00h 10m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
What is the halfway point on this route?
East Helena is a useful midpoint, sitting about 3.4 miles from Helena and 3.5 miles from Montana City.
How much longer is the road route than the straight-line distance?
The direct path is about 6.2 miles (10 km), while the road route adds roughly 0.7 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 7:00 AM to 7:00 PM MDT. If you want a more comfortable same-day return, try to leave by 8:08 PM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $0.93 one way or $1.87 round trip. Estimated CO2 is about 2.1 kg one way.
What should you check before leaving?
Before you leave, expect Chance Light Rain then Showers And Thunderstorms around Helena and Slight Chance Light Rain then Showers And Thunderstorms near Montana City.
Stop Ideas Near East Helena
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 East Helena.
Butte, MT
Bozeman, MT
Flight Path Map
This map shows the direct air route between Helena and Montana City. Straight-line distance: 6.21 mi (9.99 km).
#1 Helena
State capital of Montana, United States and seat of Lewis and Clark County
| Population | 33,737 |
| Coordinates | 46.5927100, -112.0361100 |
| Altitude | 1237 |
| Country | United States |
#2 Montana City
Census designated place
| Population | 2,715 |
| Coordinates | 46.5377100, -111.9327700 |
| Altitude | 1236 |
| Country | United States |
End: Montana City (-111.93277, 46.53771)
Estimated Travel Time
Distance: 11 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 13m |
| 40 mph (64.37 km/h) | 00h 10m |
| 50 mph (80.47 km/h) | 00h 08m |
| 60 mph (96.56 km/h) | 00h 06m |
| 70 mph (112.65 km/h) | 00h 05m |
| 80 mph (129 km/h) | 00h 05m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $0.93 | $1.87 |
| Mid-grade | $4.23 | $1.02 | $2.03 |
| Premium | $4.55 | $1.09 | $2.18 |
| Diesel | $5.41 | $1.30 | $2.60 |
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 · Apr 23, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.