How far is Billings, MT from Deer Lodge, MT?
The driving distance from Billings, MT to Deer Lodge, MT is about 262.9 miles (423.1 km), with a travel time of about 04h 25m by car.
- The straight-line flight distance is about 207 miles (333.1 km).
- For a round trip, plan for roughly 08h 51m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM MDT.
Reverse, save, or send this route
This drive is better planned with a longer stop or an overnight stay. Copy the route link, send it to another device, or print a clean version before you head out.
This drive is better planned with a longer stop or an overnight stay.
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 04h 25m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
This departure sits inside the recommended comfort window for the route.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
Town in Gallatin County, Montana, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Partly Sunny
Areas Of Fog
Driving Route Map
The map below follows the saved road route between Billings and Deer Lodge.
Turn-by-Turn Driving Directions
Step-by-step road directions between Billings and Deer Lodge.
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1
Start on Montana Avenue
589 ft · 25 sec · Montana Avenue
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2
Turn left onto North 23rd Street
114 m · 22 sec · North 23rd Street
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3
Turn left onto 1st Avenue North
1.5 km · 3 min · 1st Avenue North
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4
Turn left onto Division Street
136 m · 10 sec · Division Street
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5
Continue on Montana Avenue
1.3 mi · 2 min · Montana Avenue
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6
Continue on Laurel Road
1.4 mi · 2 min · Laurel Road
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7
Keep slight right to continue on Butte, I 90 West
1963 ft · 48 sec
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8
Merge slight right
105.4 mi · 1 hr 43 min
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9
Continue straight
7 mi · 7 min
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10
Continue straight
113.4 mi · 1 hr 54 min
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11
Keep slight left to continue on I 90 West: Missoula
30.6 mi · 29 min
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12
Take the exit slight right toward I 90 Business: Deer Lodge
1.9 mi · 3 min
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13
Turn right onto Saint Mary's Avenue
1356 ft · 60 sec · Saint Mary's Avenue
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14
Arrive at your destination
0 m · 1 sec · Saint Mary's Avenue
Car Route Details
A richer read on the saved driving route between Billings and Deer Lodge.
Straightforward drive
The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.
Butte
Continue straight
113 mi · 01h 54m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A longer out-and-back drive
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
Partly Sunny leaving Billings and Areas Of Fog near Deer Lodge.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Billings to Deer Lodge?
The road trip is about 262.9 miles (423.1 km) and usually takes 04h 25m in normal driving conditions.
Is this a same-day trip or an overnight route?
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
What is the halfway point on this route?
Bozeman is a useful midpoint, sitting about 131.2 miles from Billings and 131.7 miles from Deer Lodge.
How much longer is the road route than the straight-line distance?
The direct path is about 207 miles (333.1 km), while the road route adds roughly 55.9 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 6:00 AM to 8:00 AM MDT. If you want a more comfortable same-day return, try to leave by 8:08 AM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $36.13 one way or $72.25 round trip. Estimated CO2 is about 82.5 kg one way.
What should you check before leaving?
Before you leave, expect Partly Sunny around Billings and Areas Of Fog near Deer Lodge.
Stop Ideas Near Bozeman
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 Bozeman.
Bozeman, MT
Livingston, MT
Flight Path Map
This map shows the direct air route between Billings and Deer Lodge. Straight-line distance: 207.01 mi (333.15 km).
#1 Billings
The most populous city in Montana.
| Population | 117,445 |
| Coordinates | 45.7832900, -108.5006900 |
| Altitude | 952 |
| Country | United States |
#2 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 |
End: Deer Lodge (-112.73004, 46.39576)
Estimated Travel Time
Distance: 423 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 08h 45m |
| 40 mph (64.37 km/h) | 06h 34m |
| 50 mph (80.47 km/h) | 05h 15m |
| 60 mph (96.56 km/h) | 04h 22m |
| 70 mph (112.65 km/h) | 03h 45m |
| 80 mph (129 km/h) | 03h 16m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $36.13 | $72.25 |
| Mid-grade | $4.23 | $39.26 | $78.53 |
| Premium | $4.55 | $42.21 | $84.43 |
| Diesel | $5.41 | $50.22 | $100.45 |
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 02, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.