How far is Bozeman, MT from Fort Benton, MT?
The driving distance from Bozeman, MT to Fort Benton, MT is about 226 miles (363.7 km), with a travel time of about 04h 02m by car.
- The straight-line flight distance is about 148.8 miles (239.5 km).
- For a round trip, plan for roughly 08h 04m 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.
State capital of Montana, United States and seat of Lewis and Clark County
Route Weather Snapshot
Check the forecast at both ends before you head out.
Partly Sunny then Chance Rain Showers
Partly Sunny then Chance Rain Showers
Driving Route Map
The map below follows the saved road route between Bozeman and Fort Benton.
Turn-by-Turn Driving Directions
Step-by-step road directions between Bozeman and Fort Benton.
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1
Start on North Willson Avenue
2143 ft · 1 min · North Willson Avenue
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2
Turn left onto West Peach Street
1896 ft · 42 sec · West Peach Street
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3
Turn right onto North 7th Avenue
1.4 km · 2 min · North 7th Avenue
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4
Turn left
31.8 mi · 32 min
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5
Take the exit slight right toward US 287: Helena, Ennis
1498 ft · 37 sec
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6
Turn right onto Highway 287
22.2 mi · 24 min · Highway 287
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7
Continue straight
1.1 mi · 1 min
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8
Continue straight
38.9 mi · 46 min
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9
Take the exit slight right toward I 15 North: Great Falls
1958 ft · 48 sec
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10
Merge slight left onto First Special Service Force Memorial Highway
87.6 mi · 1 hr 25 min · First Special Service Force Memorial Highway
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11
Take the exit slight right
1262 ft · 31 sec
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12
Keep slight right
70 m · 6 sec
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13
Merge slight left onto Central Avenue West
1.2 mi · 1 min · Central Avenue West
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14
Turn left onto 3rd Street Northwest
1.4 mi · 2 min · 3rd Street Northwest
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15
Continue on Smelter Avenue Northeast
2885 ft · 45 sec · Smelter Avenue Northeast
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16
Turn left onto Old Havre Highway
1.4 km · 1 min · Old Havre Highway
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17
Turn left onto 15th Street Northeast
35.8 mi · 38 min · 15th Street Northeast
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18
Turn right onto MT 386
1.4 mi · 3 min · MT 386
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19
Continue on Saint Charles Street
117 m · 13 sec · Saint Charles Street
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20
Turn right onto 12th Street
1366 ft · 1 min · 12th Street
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21
Turn left onto Main Street
1237 ft · 55 sec · Main Street
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22
Turn right
83 m · 21 sec
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23
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Bozeman and Fort Benton.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
First Special Service Force Memorial Highway
Merge slight left onto First Special Service Force Memorial Highway
87.6 mi · 01h 25m
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 then Chance Rain Showers leaving Bozeman and Partly Sunny then Chance Rain Showers near Fort Benton.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Bozeman to Fort Benton?
The road trip is about 226 miles (363.7 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?
Helena is a useful midpoint, sitting about 112.8 miles from Bozeman and 113.2 miles from Fort Benton.
How much longer is the road route than the straight-line distance?
The direct path is about 148.8 miles (239.5 km), while the road route adds roughly 77.2 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 8:56 AM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $31.07 one way or $62.13 round trip. Estimated CO2 is about 70.9 kg one way.
What should you check before leaving?
Before you leave, expect Partly Sunny then Chance Rain Showers around Bozeman and Partly Sunny then Chance Rain Showers near Fort Benton.
Stop Ideas Near Helena
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 Helena.
Butte, MT
Bozeman, MT
Flight Path Map
This map shows the direct air route between Bozeman and Fort Benton. Straight-line distance: 148.81 mi (239.48 km).
#1 Bozeman
Town in Gallatin County, Montana, United States
| Population | 50,970 |
| Coordinates | 45.6796500, -111.0385600 |
| Altitude | 1468 |
| Country | United States |
#2 Fort Benton
City in Montana, USA
| Population | 1,442 |
| Coordinates | 47.8183000, -110.6674400 |
| Altitude | 799 |
| Country | United States |
End: Fort Benton (-110.66744, 47.8183)
Estimated Travel Time
Distance: 364 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 07h 31m |
| 40 mph (64.37 km/h) | 05h 39m |
| 50 mph (80.47 km/h) | 04h 31m |
| 60 mph (96.56 km/h) | 03h 46m |
| 70 mph (112.65 km/h) | 03h 13m |
| 80 mph (129 km/h) | 02h 49m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $31.07 | $62.13 |
| Mid-grade | $4.23 | $33.76 | $67.53 |
| Premium | $4.55 | $36.30 | $72.60 |
| Diesel | $5.41 | $43.19 | $86.38 |
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 11, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.