How far is Fort Belknap Agency, MT from Helena, MT?
The driving distance from Fort Belknap Agency, MT to Helena, MT is about 249 miles (400.8 km), with a travel time of about 04h 22m by car.
- The straight-line flight distance is about 200.8 miles (323.1 km).
- For a round trip, plan for roughly 08h 45m 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 22m.
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.
City in Montana, USA
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 Fort Belknap Agency and Helena.
Turn-by-Turn Driving Directions
Step-by-step road directions between Fort Belknap Agency and Helena.
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1
Start on 1st Street
2265 ft · 2 min · 1st Street
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2
At the end of the road, turn left
49.1 mi · 56 min
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3
Turn left
107.3 mi · 1 hr 58 min
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4
Continue on 15th Street Northeast
91 m · 6 sec · 15th Street Northeast
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5
Turn right onto Old Havre Highway
1.4 km · 1 min · Old Havre Highway
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6
Turn right onto Smelter Avenue Northeast
2860 ft · 43 sec · Smelter Avenue Northeast
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7
Turn straight onto 3rd Street Northwest
1.4 mi · 2 min · 3rd Street Northwest
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8
Turn right onto Central Avenue West
1.3 mi · 2 min · Central Avenue West
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9
Turn sharp left
1425 ft · 35 sec
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10
Merge slight left onto First Special Service Force Memorial Highway
86.3 mi · 1 hr 23 min · First Special Service Force Memorial Highway
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11
Take the exit slight right toward I 15 Business
1393 ft · 35 sec
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12
At the end of the road, turn right onto Cedar Street
2855 ft · 1 min · Cedar Street
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13
Continue on North Last Chance Gulch Street
1.2 mi · 3 min · North Last Chance Gulch Street
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14
Turn slight left onto Cruse Avenue
31 m · 4 sec · Cruse Avenue
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15
Arrive at your destination
0 m · 1 sec · Cruse Avenue
Car Route Details
A richer read on the saved driving route between Fort Belknap Agency and Helena.
Straightforward drive
The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.
Longest stretch
Turn left
107 mi · 01h 58m
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.
Sunny leaving Fort Belknap Agency and Sunny near Helena.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Fort Belknap Agency to Helena?
The road trip is about 249 miles (400.8 km) and usually takes 04h 22m 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?
Fort Benton is a useful midpoint, sitting about 124.6 miles from Fort Belknap Agency and 124.5 miles from Helena.
How much longer is the road route than the straight-line distance?
The direct path is about 200.8 miles (323.1 km), while the road route adds roughly 48.2 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 8:14 AM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $34.22 one way or $68.44 round trip. Estimated CO2 is about 78.1 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Fort Belknap Agency and Sunny near Helena.
Stop Ideas Near Fort Benton
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 Fort Benton.
Havre station
Shelby
Flight Path Map
This map shows the direct air route between Fort Belknap Agency and Helena. Straight-line distance: 200.78 mi (323.12 km).
#1 Fort Belknap Agency
Census designated place
| Population | 1,293 |
| Coordinates | 48.4825000, -108.7654400 |
| Altitude | 724 |
| Country | United States |
#2 Helena
State capital of Montana, United States and seat of Lewis and Clark County
| Population | 33,737 |
| Coordinates | 46.5927100, -112.0361100 |
| Altitude | 1237 |
| Country | United States |
End: Cruse Avenue (-112.036062, 46.592722)
Estimated Travel Time
Distance: 401 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 08h 17m |
| 40 mph (64.37 km/h) | 06h 13m |
| 50 mph (80.47 km/h) | 04h 58m |
| 60 mph (96.56 km/h) | 04h 09m |
| 70 mph (112.65 km/h) | 03h 33m |
| 80 mph (129 km/h) | 03h 06m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $34.22 | $68.44 |
| Mid-grade | $4.23 | $37.19 | $74.38 |
| Premium | $4.55 | $39.99 | $79.97 |
| Diesel | $5.41 | $47.57 | $95.14 |
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.