How far is Fort Benton, MT from Belgrade, MT?
The driving distance from Fort Benton, MT to Belgrade, MT is about 218.5 miles (351.6 km), with a travel time of about 03h 37m by car.
- The straight-line flight distance is about 143.2 miles (230.4 km).
- For a round trip, plan for roughly 07h 14m 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 03h 37m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
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.
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.
Light Rain
Mostly Cloudy
Driving Route Map
The map below follows the saved road route between Fort Benton and Belgrade.
Turn-by-Turn Driving Directions
Step-by-step road directions between Fort Benton and Belgrade.
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1
Start on the route
24 m · 6 sec
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2
Turn right
59 m · 19 sec
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3
Turn left onto Main Street
1237 ft · 54 sec · Main Street
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4
Turn right onto 12th Street
1366 ft · 1 min · 12th Street
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5
Turn left onto Saint Charles Street
117 m · 11 sec · Saint Charles Street
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6
Continue on MT 386
1.4 mi · 3 min · MT 386
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7
Turn left onto US 87
35.7 mi · 38 min · US 87
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8
Continue on 15th Street Northeast
91 m · 6 sec · 15th Street Northeast
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9
Turn right onto Old Havre Highway
1.4 km · 1 min · Old Havre Highway
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10
Turn right onto Smelter Avenue Northeast
2860 ft · 43 sec · Smelter Avenue Northeast
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11
Turn straight onto 3rd Street Northwest
1.4 mi · 2 min · 3rd Street Northwest
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12
Turn right onto Central Avenue West
1.3 mi · 2 min · Central Avenue West
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13
Turn sharp left
1425 ft · 35 sec
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14
Merge slight left onto First Special Service Force Memorial Highway
87.5 mi · 1 hr 25 min · First Special Service Force Memorial Highway
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15
Take the exit slight right toward US 12 South, US 287 South: Townsend, Capitol Area
1280 ft · 34 sec
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16
Turn left onto Prospect Avenue
1 mi · 2 min · Prospect Avenue
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17
Continue straight
3.6 mi · 5 min
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18
Continue straight
1678 ft · 26 sec
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19
Continue straight
30.2 mi · 34 min
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20
Continue straight
2.3 mi · 2 min
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21
Continue straight
1.2 mi · 1 min
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22
Continue straight
1.4 mi · 2 min
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23
Continue straight
22.7 mi · 24 min
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24
Take the exit left toward I 90 East: Billings
1372 ft · 34 sec
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25
Merge slight left
22.3 mi · 22 min
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26
Take the exit slight right toward MT 291, MT 85: Belgrade, West Yellowstone
1374 ft · 38 sec
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27
Turn left onto Amsterdam Road
1.3 km · 58 sec · Amsterdam Road
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28
Turn left onto Jackrabbit Lane
2627 ft · 51 sec · Jackrabbit Lane
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29
Turn right onto West Madison Avenue
1116 ft · 23 sec · West Madison Avenue
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30
Turn slight left onto South Broadway
1482 ft · 55 sec · South Broadway
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31
Turn right onto East Main Street
25 m · 3 sec · East Main Street
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32
Arrive at your destination
0 m · 1 sec · East Main Street
Car Route Details
A richer read on the saved driving route between Fort Benton and Belgrade.
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
87.5 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.
Light Rain leaving Fort Benton and Mostly Cloudy near Belgrade.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Fort Benton to Belgrade?
The road trip is about 218.5 miles (351.6 km) and usually takes 03h 37m 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 108.6 miles from Fort Benton and 109.9 miles from Belgrade.
How much longer is the road route than the straight-line distance?
The direct path is about 143.2 miles (230.4 km), while the road route adds roughly 75.3 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 9:46 AM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $30.02 one way or $60.03 round trip. Estimated CO2 is about 68.5 kg one way.
What should you check before leaving?
Before you leave, expect Light Rain around Fort Benton and Mostly Cloudy near Belgrade.
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 Fort Benton and Belgrade. Straight-line distance: 143.15 mi (230.38 km).
#1 Fort Benton
City in Montana, USA
| Population | 1,442 |
| Coordinates | 47.8183000, -110.6674400 |
| Altitude | 799 |
| Country | United States |
#2 Belgrade
City in Gallatin County, Montana, USA
| Population | 10,390 |
| Coordinates | 45.7760400, -111.1769000 |
| Altitude | 1359 |
| Country | United States |
End: East Main Street (-111.176867, 45.776072)
Estimated Travel Time
Distance: 352 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 07h 16m |
| 40 mph (64.37 km/h) | 05h 27m |
| 50 mph (80.47 km/h) | 04h 22m |
| 60 mph (96.56 km/h) | 03h 38m |
| 70 mph (112.65 km/h) | 03h 07m |
| 80 mph (129 km/h) | 02h 43m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $30.02 | $60.03 |
| Mid-grade | $4.23 | $32.62 | $65.24 |
| Premium | $4.55 | $35.07 | $70.15 |
| Diesel | $5.41 | $41.73 | $83.45 |
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.