How far is Bozeman, MT from Lewistown, MT?
The driving distance from Bozeman, MT to Lewistown, MT is about 162.3 miles (261.2 km), with a travel time of about 02h 48m by car.
- The straight-line flight distance is about 122.5 miles (197.2 km).
- For a round trip, plan for roughly 05h 36m 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 02h 48m.
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.
City in and county seat of Sweet Grass County, Montana, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Light Rain
Chance Light Rain
Driving Route Map
The map below follows the saved road route between Bozeman and Lewistown.
Turn-by-Turn Driving Directions
Step-by-step road directions between Bozeman and Lewistown.
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1
Start on North Willson Avenue
40 m · 12 sec · North Willson Avenue
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2
Turn left onto West Main Street
1.4 mi · 4 min · West Main Street
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3
Take the exit right
1723 ft · 43 sec
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4
Merge slight left
23.3 mi · 23 min
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5
Continue straight
6.9 mi · 6 min
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6
Continue straight
27.2 mi · 26 min
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7
Take the exit slight right toward US 191, I 90 Business: Big Timber, Harlowton
1486 ft · 42 sec
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8
Turn left
895 ft · 16 sec
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9
At the end of the road, turn right
1.2 mi · 3 min
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10
Keep slight left to continue on East 1st Avenue
43.9 mi · 1 hr 6 min · East 1st Avenue
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11
Turn right onto 2nd Street Northwest
1 km · 58 sec · 2nd Street Northwest
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12
Continue on 3rd Street Northeast
1.3 km · 1 min · 3rd Street Northeast
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13
Turn left
39.2 mi · 43 min
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14
At the end of the road, turn right
14.7 mi · 16 min
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15
Continue on US Highway 87
1.5 mi · 2 min · US Highway 87
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16
Continue on West Main Street
1.3 km · 2 min · West Main Street
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17
Turn right onto 6th Avenue South
121 m · 17 sec · 6th Avenue South
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18
Arrive at your destination
0 m · 1 sec · 6th Avenue South
Car Route Details
A richer read on the saved driving route between Bozeman and Lewistown.
Straightforward drive
The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.
East 1st Avenue
Keep slight left to continue on East 1st Avenue
43.9 mi · 01h 06m
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 leaving Bozeman and Chance Light Rain near Lewistown.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Bozeman to Lewistown?
The road trip is about 162.3 miles (261.2 km) and usually takes 02h 48m 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?
Big Timber is a useful midpoint, sitting about 81.1 miles from Bozeman and 81.2 miles from Lewistown.
How much longer is the road route than the straight-line distance?
The direct path is about 122.5 miles (197.2 km), while the road route adds roughly 39.8 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 12:54 PM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $22.31 one way or $44.61 round trip. Estimated CO2 is about 50.9 kg one way.
What should you check before leaving?
Before you leave, expect Chance Light Rain around Bozeman and Chance Light Rain near Lewistown.
Stop Ideas Near Big Timber
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 Big Timber.
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Flight Path Map
This map shows the direct air route between Bozeman and Lewistown. Straight-line distance: 122.56 mi (197.24 km).
#1 Bozeman
Town in Gallatin County, Montana, United States
| Population | 50,970 |
| Coordinates | 45.6796500, -111.0385600 |
| Altitude | 1468 |
| Country | United States |
#2 Lewistown
City in Montana, United States
| Population | 5,905 |
| Coordinates | 47.0624700, -109.4282400 |
| Altitude | 1203 |
| Country | United States |
End: 6th Avenue South (-109.428026, 47.06261)
Estimated Travel Time
Distance: 261 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 05h 24m |
| 40 mph (64.37 km/h) | 04h 03m |
| 50 mph (80.47 km/h) | 03h 14m |
| 60 mph (96.56 km/h) | 02h 42m |
| 70 mph (112.65 km/h) | 02h 19m |
| 80 mph (129 km/h) | 02h 01m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $22.31 | $44.61 |
| Mid-grade | $4.23 | $24.24 | $48.49 |
| Premium | $4.55 | $26.07 | $52.13 |
| Diesel | $5.41 | $31.01 | $62.02 |
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 29, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.