How far is Deer Lodge, MT from Helena, MT?
The driving distance from Deer Lodge, MT to Helena, MT is about 55 miles (88.5 km), with a travel time of about 00h 57m by car.
- The straight-line flight distance is about 35.7 miles (57.5 km).
- For a round trip, plan for roughly 01h 55m 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 00h 57m.
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.
Chance Light Rain then Showers And Thunderstorms
Chance Light Rain then Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Deer Lodge and Helena.
Turn-by-Turn Driving Directions
Step-by-step road directions between Deer Lodge and Helena.
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1
Start on Saint Mary's Avenue
1356 ft · 1 min · Saint Mary's Avenue
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2
Turn right onto Main Street
1 mi · 2 min · Main Street
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3
Continue on North Interchange
2731 ft · 56 sec · North Interchange
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4
Take the ramp left
8.7 mi · 8 min
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5
Take the exit slight right toward US 12 East: Helena, Garrison
1.2 mi · 2 min
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6
At the end of the road, turn right
42.8 mi · 49 min
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7
Turn right onto North Benton Avenue
1542 ft · 58 sec · North Benton Avenue
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8
Turn left onto Neill Avenue
1201 ft · 43 sec · Neill Avenue
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9
Turn slight right onto Cruse Avenue
31 m · 4 sec · Cruse Avenue
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10
Arrive at your destination
0 m · 1 sec · Cruse Avenue
Car Route Details
A richer read on the saved driving route between Deer Lodge and Helena.
Straightforward drive
The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.
Longest stretch
At the end of the road, turn right
42.8 mi · 00h 49m
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.
Chance Light Rain then Showers And Thunderstorms leaving Deer Lodge and Chance Light Rain then Showers And Thunderstorms near Helena.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Deer Lodge to Helena?
The road trip is about 55 miles (88.5 km) and usually takes 00h 57m 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 27.5 miles from Deer Lodge and 27.5 miles from Helena.
How much longer is the road route than the straight-line distance?
The direct path is about 35.7 miles (57.5 km), while the road route adds roughly 19.3 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 4:34 PM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $7.55 one way or $15.10 round trip. Estimated CO2 is about 17.2 kg one way.
What should you check before leaving?
Before you leave, expect Chance Light Rain then Showers And Thunderstorms around Deer Lodge and Chance Light Rain then Showers And Thunderstorms near 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 Deer Lodge and Helena. Straight-line distance: 35.7 mi (57.46 km).
#1 Deer Lodge
City in and the county seat of Powell County, Montana, United States
| Population | 2,805 |
| Coordinates | 46.3957600, -112.7300400 |
| Altitude | 1392 |
| Country | United States |
#2 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 |
End: Cruse Avenue (-112.036062, 46.592722)
Estimated Travel Time
Distance: 88 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 49m |
| 40 mph (64.37 km/h) | 01h 22m |
| 50 mph (80.47 km/h) | 01h 05m |
| 60 mph (96.56 km/h) | 00h 54m |
| 70 mph (112.65 km/h) | 00h 47m |
| 80 mph (129 km/h) | 00h 41m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $7.55 | $15.10 |
| Mid-grade | $4.23 | $8.21 | $16.42 |
| Premium | $4.55 | $8.83 | $17.65 |
| Diesel | $5.41 | $10.50 | $21.00 |
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 22, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.