How far is Bozeman, MT from Fort Belknap Agency, MT?
The driving distance from Bozeman, MT to Fort Belknap Agency, MT is about 345 miles (555.3 km), with a travel time of about 06h 14m by car.
- The straight-line flight distance is about 221.2 miles (356 km).
- For a round trip, plan for roughly 12h 29m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 7:30 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 06h 14m.
Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
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.
Town in Cascade County, Montana, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Driving Route Map
The map below follows the saved road route between Bozeman and Fort Belknap Agency.
Turn-by-Turn Driving Directions
Step-by-step road directions between Bozeman and Fort Belknap Agency.
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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
62.2 mi · 1 hr 11 min · Highway 287
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7
Take the exit slight right toward I 15 North: Great Falls
1958 ft · 48 sec
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8
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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9
Take the exit slight right
1262 ft · 31 sec
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10
Keep slight right
70 m · 6 sec
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11
Merge slight left onto Central Avenue West
1.2 mi · 1 min · Central Avenue West
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12
Turn left onto 3rd Street Northwest
1.4 mi · 2 min · 3rd Street Northwest
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13
Continue on Smelter Avenue Northeast
2885 ft · 45 sec · Smelter Avenue Northeast
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14
Turn left onto Old Havre Highway
1.4 km · 1 min · Old Havre Highway
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15
Turn left onto 15th Street Northeast
107.3 mi · 1 hr 58 min · 15th Street Northeast
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16
Turn right
3.9 mi · 5 min
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17
Continue straight
45.2 mi · 51 min
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18
Turn right
582 ft · 26 sec
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19
Continue on 1st
1684 ft · 1 min · 1st
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20
Arrive at your destination
0 m · 1 sec · 1st Street
Car Route Details
A richer read on the saved driving route between Bozeman and Fort Belknap Agency.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
15th Street Northeast
Turn left onto 15th Street Northeast
107 mi · 01h 58m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
Better with a longer stop
This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.
Sunny leaving Bozeman and Sunny near Fort Belknap Agency.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Bozeman to Fort Belknap Agency?
The road trip is about 345 miles (555.3 km) and usually takes 06h 14m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.
What is the halfway point on this route?
Great Falls is a useful midpoint, sitting about 172.3 miles from Bozeman and 172.8 miles from Fort Belknap Agency.
How much longer is the road route than the straight-line distance?
The direct path is about 221.2 miles (356 km), while the road route adds roughly 123.8 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 6:00 AM to 7:30 AM MDT. Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $47.42 one way or $94.83 round trip. Estimated CO2 is about 108.2 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Bozeman and Sunny near Fort Belknap Agency.
Stop Ideas Near Great Falls
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Statue of Liberty Replica
Great Falls City Attorney's Office
Cascade County Treasurer
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Great Falls.
Shelby
Flight Path Map
This map shows the direct air route between Bozeman and Fort Belknap Agency. Straight-line distance: 221.2 mi (355.99 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 Belknap Agency
Census designated place
| Population | 1,293 |
| Coordinates | 48.4825000, -108.7654400 |
| Altitude | 724 |
| Country | United States |
End: Fort Belknap Agency (-108.76544, 48.4825)
Estimated Travel Time
Distance: 555 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 11h 29m |
| 40 mph (64.37 km/h) | 08h 37m |
| 50 mph (80.47 km/h) | 06h 54m |
| 60 mph (96.56 km/h) | 05h 45m |
| 70 mph (112.65 km/h) | 04h 55m |
| 80 mph (129 km/h) | 04h 18m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $47.42 | $94.83 |
| Mid-grade | $4.23 | $51.53 | $103.07 |
| Premium | $4.55 | $55.41 | $110.81 |
| Diesel | $5.41 | $65.92 | $131.84 |
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 19, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.