How far is Deer Lodge, MT from Billings, MT?
The driving distance from Deer Lodge, MT to Billings, MT is about 262.3 miles (422.2 km), with a travel time of about 04h 02m by car.
- The straight-line flight distance is about 207 miles (333.1 km).
- For a round trip, plan for roughly 08h 05m 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 02m.
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.
Areas Of Fog
Partly Sunny
Driving Route Map
The map below follows the saved road route between Deer Lodge and Billings.
Turn-by-Turn Driving Directions
Step-by-step road directions between Deer Lodge and Billings.
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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 left onto Main Street
2316 ft · 39 sec · Main Street
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3
Continue on South Frontage Road
1.5 km · 1 min · South Frontage Road
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4
Take the ramp straight
33.7 mi · 32 min
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5
Keep slight right
110.8 mi · 1 hr 51 min
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6
Continue straight
6.9 mi · 6 min
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7
Continue straight
105.3 mi · 1 hr 45 min
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8
Take the exit slight right toward I 90 Business: West Billings
1948 ft · 48 sec
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9
Keep slight left to continue on I 90 Business: City Center
1.7 mi · 3 min
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10
Keep slight left to continue on Montana Avenue
1.3 mi · 2 min · Montana Avenue
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11
Continue on Montana Avenue
1.4 km · 3 min · Montana Avenue
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12
Arrive at your destination
0 m · 1 sec · Montana Avenue
Car Route Details
A richer read on the saved driving route between Deer Lodge and Billings.
Straightforward drive
The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.
South Frontage Road
Keep slight right
111 mi · 01h 51m
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.
Areas Of Fog leaving Deer Lodge and Partly Sunny near Billings.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Deer Lodge to Billings?
The road trip is about 262.3 miles (422.2 km) and usually takes 04h 02m 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 miles from Deer Lodge and 131.3 miles from Billings.
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 55.3 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 6:00 AM to 8:00 AM MDT. If you want a more comfortable same-day return, try to leave by 8:54 AM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $36.05 one way or $72.10 round trip. Estimated CO2 is about 82.3 kg one way.
What should you check before leaving?
Before you leave, expect Areas Of Fog around Deer Lodge and Partly Sunny near Billings.
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 Deer Lodge and Billings. Straight-line distance: 207.01 mi (333.15 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 Billings
The most populous city in Montana.
| Population | 117,445 |
| Coordinates | 45.7832900, -108.5006900 |
| Altitude | 952 |
| Country | United States |
End: Montana Avenue (-108.500696, 45.783296)
Estimated Travel Time
Distance: 422 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 08h 44m |
| 40 mph (64.37 km/h) | 06h 33m |
| 50 mph (80.47 km/h) | 05h 14m |
| 60 mph (96.56 km/h) | 04h 22m |
| 70 mph (112.65 km/h) | 03h 44m |
| 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 | $36.05 | $72.10 |
| Mid-grade | $4.23 | $39.18 | $78.36 |
| Premium | $4.55 | $42.12 | $84.25 |
| Diesel | $5.41 | $50.12 | $100.23 |
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.