How far is Fort Belknap Agency, MT from Great Falls, MT?
The driving distance from Fort Belknap Agency, MT to Great Falls, MT is about 159.8 miles (257.2 km), with a travel time of about 03h 01m by car.
- The straight-line flight distance is about 135.5 miles (218 km).
- For a round trip, plan for roughly 06h 03m 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 01m.
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.
Town of the United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Sunny
Driving Route Map
The map below follows the saved road route between Fort Belknap Agency and Great Falls.
Turn-by-Turn Driving Directions
Step-by-step road directions between Fort Belknap Agency and Great Falls.
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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 · 60 sec · Old Havre Highway
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6
Continue on 10th Street Northeast
906 ft · 20 sec · 10th Street Northeast
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7
Continue on 9th Street North
1 mi · 2 min · 9th Street North
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8
Turn right onto 2nd Avenue North
1731 ft · 39 sec · 2nd Avenue North
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9
Turn left onto 5th Street North
2424 ft · 44 sec · 5th Street North
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10
Turn right onto 4th Avenue South
131 m · 24 sec · 4th Avenue South
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11
Turn left onto 4th Street South
70 m · 10 sec · 4th Street South
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12
Arrive at your destination
0 m · 1 sec · 4th Street South
Car Route Details
A richer read on the saved driving route between Fort Belknap Agency and Great Falls.
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 Great Falls.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Fort Belknap Agency to Great Falls?
The road trip is about 159.8 miles (257.2 km) and usually takes 03h 01m 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?
Big Sandy is a useful midpoint, sitting about 79.8 miles from Fort Belknap Agency and 80 miles from Great Falls.
How much longer is the road route than the straight-line distance?
The direct path is about 135.5 miles (218 km), while the road route adds roughly 24.3 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 10:56 AM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $21.96 one way or $43.91 round trip. Estimated CO2 is about 50.1 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Fort Belknap Agency and Sunny near Great Falls.
Stop Ideas Near Big Sandy
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
United States Postal Service
Chouteau County Shop
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Big Sandy.
Havre station
Flight Path Map
This map shows the direct air route between Fort Belknap Agency and Great Falls. Straight-line distance: 135.45 mi (217.99 km).
#1 Fort Belknap Agency
Census designated place
| Population | 1,293 |
| Coordinates | 48.4825000, -108.7654400 |
| Altitude | 724 |
| Country | United States |
#2 Great Falls
Town in Cascade County, Montana, United States
| Population | 58,353 |
| Coordinates | 47.5002400, -111.3008100 |
| Altitude | 1015 |
| Country | United States |
End: Great Falls (-111.30081, 47.50024)
Estimated Travel Time
Distance: 257 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 05h 19m |
| 40 mph (64.37 km/h) | 03h 59m |
| 50 mph (80.47 km/h) | 03h 11m |
| 60 mph (96.56 km/h) | 02h 39m |
| 70 mph (112.65 km/h) | 02h 16m |
| 80 mph (129 km/h) | 01h 59m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $21.96 | $43.91 |
| Mid-grade | $4.23 | $23.86 | $47.73 |
| Premium | $4.55 | $25.66 | $51.31 |
| Diesel | $5.41 | $30.52 | $61.05 |
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.