How far is Helena, MT from Deer Lodge, MT?

The driving distance from Helena, MT to Deer Lodge, MT is about 55 miles (88.5 km), with a travel time of about 01h 05m by car.

  • The straight-line flight distance is about 35.7 miles (57.5 km).
  • For a round trip, plan for roughly 02h 11m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 8:00 AM to 10:00 AM MDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
55 mi
01h 05m
Flight
35.7 mi
57.46 km direct

This route works well as a day trip with time at the destination.

Learn Distance

Choose another destination from Helena.

Flight Distance

Direct air line
35.7 mi
Kilometers
57.46 km
Flight Time
00h 04m

Driving Distance

Road route
55 mi
Kilometers
88.51 km
Drive Time
01h 05m

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 01h 05m.

Arrival Snapshot
Arrive in Deer Lodge
Wed, Apr 22, 9:48 PM MDT
Return by in Helena
Wed, Apr 22, 10:54 PM MDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Helena
2026-04-22T20:43
Arrive Deer Lodge
Wed, Apr 22, 9:48 PM MDT
Route Timing
01h 05m
One way by road
Best Departure Window
8:00 AM to 10:00 AM MDT
Aim for a morning departure
Arrive between
9:06 AM to 11:06 AM MDT

A morning start gives you useful time at the destination and keeps the return out of the late evening.

Leave by
4:18 PM MDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Helena
9:30 PM MDT
Morning start is best

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.

Mid-route stop
Dutton
MT

Town of the United States

From Helena
27.5 mi
00h 32m
To Deer Lodge
27.5 mi
00h 32m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
62°F
Wednesday

Chance Light Rain then Showers And Thunderstorms

Starts
Wed, Apr 22 6:00 AM MDT
Wind
6 to 16 mph SW
Destination
62°F
Wednesday

Chance Light Rain then Showers And Thunderstorms

Starts
Wed, Apr 22 6:00 AM MDT
Wind
5 to 13 mph SW

Driving Route Map

The map below follows the saved road route between Helena and Deer Lodge.

Turn-by-Turn Driving Directions

Step-by-step road directions between Helena and Deer Lodge.

  1. 1

    Start on Cruse Avenue

    31 m · 6 sec · Cruse Avenue

  2. 2

    Turn slight left onto Neill Avenue

    1041 ft · 36 sec · Neill Avenue

  3. 3

    Turn straight

    68 m · 10 sec

  4. 4

    Continue on North Benton Avenue

    1422 ft · 50 sec · North Benton Avenue

  5. 5

    Turn left onto Euclid Avenue

    42.8 mi · 49 min · Euclid Avenue

  6. 6

    Turn left

    2539 ft · 43 sec

  7. 7

    Continue straight

    802 ft · 14 sec

  8. 8

    Take the ramp straight

    1.4 km · 2 min

  9. 9

    Merge slight left

    8.2 mi · 8 min

  10. 10

    Take the exit slight right toward I 90 Business: Deer Lodge

    1257 ft · 32 sec

  11. 11

    Turn right

    1.5 mi · 3 min

  12. 12

    Turn left onto Saint Mary's Avenue

    1356 ft · 60 sec · Saint Mary's Avenue

  13. 13

    Arrive at your destination

    0 m · 1 sec · Saint Mary's Avenue

Car Route Details

A richer read on the saved driving route between Helena and Deer Lodge.

OSRM road route
Drive Character

Straightforward drive

The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.

Directions
13 steps
6 turns on the saved route
Ramps & Exits
3
1 merges, 2 ramps or exits
Navigation Density
23.6 / 100 mi
Decision points by distance
Main Roads
Euclid Avenue
52 mi · 95%
North Benton Avenue
0.27 mi
Saint Mary's Avenue
0.26 mi
I 90 Business
0.24 mi
Neill Avenue
0.2 mi
Cruse Avenue
0.02 mi
Longest Stretch

Euclid Avenue

Turn left onto Euclid Avenue

42.8 mi · 00h 49m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

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.

Drive Time
01h 05m
Day trip friendly
Same-Day Return
02h 12m
Round-trip wheel time
Road vs Air
+19.3 mi
35.7 mi direct line
Halfway Stop
Dutton
00h 32m from Helena
Leave By
4:18 PM MDT
Morning start is best
Weather Watch

Chance Light Rain then Showers And Thunderstorms leaving Helena and Chance Light Rain then Showers And Thunderstorms near Deer Lodge.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Helena to Deer Lodge?

The road trip is about 55 miles (88.5 km) and usually takes 01h 05m 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 Helena and 27.5 miles from Deer Lodge.

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 4:18 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 Helena and Chance Light Rain then Showers And Thunderstorms near Deer Lodge.

Stop Ideas Near Dutton

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
Local place coverage is thin around Dutton, so nearby transit and meeting points are shown instead.
Reviewed stop coverage is still thin around this midpoint, so practical transit waypoints are shown on the right.

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Dutton.

BUS

Butte, MT

74 mi away
1324 Harrison Avenue
BUS

Missoula, MT

87 mi away
1660 West Broadway Street

Flight Path Map

This map shows the direct air route between Helena and Deer Lodge. Straight-line distance: 35.7 mi (57.46 km).

Helena

#1 Helena

State capital of Montana, United States and seat of Lewis and Clark County

Population33,737
Coordinates46.5927100, -112.0361100
Altitude1237
CountryUnited States
Deer Lodge

#2 Deer Lodge

City in and the county seat of Powell County, Montana, United States

Population2,805
Coordinates46.3957600, -112.7300400
Altitude1392
CountryUnited States
Start: Helena (-112.03611, 46.59271)
End: Deer Lodge (-112.73004, 46.39576)

Estimated Travel Time

Distance: 89 km by road

SpeedTime
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.

One-way fuel
1.94 gal
7.35 L · about $7.55
Round trip
$15.10
3.88 gal · 14.7 L
Estimated CO2
17.2 kg one way
Round trip: 34.5 kg / 76 lb CO2, using regular gasoline.
Fuel$/galOne wayRound 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 23, 2026

There is no time difference between Helena and Deer Lodge. The current time is 20:43:13.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.