How far is Miles City, MT from Fort Belknap Agency, MT?
The driving distance from Miles City, MT to Fort Belknap Agency, MT is about 334.5 miles (538.3 km), with a travel time of about 06h 28m by car.
- The straight-line flight distance is about 198 miles (318.7 km).
- For a round trip, plan for roughly 12h 56m 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 28m.
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 Montana, 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 Miles City and Fort Belknap Agency.
Turn-by-Turn Driving Directions
Step-by-step road directions between Miles City and Fort Belknap Agency.
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1
Start on Main Street
17 m · 10 sec · Main Street
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2
Turn sharp right onto Valley Drive East
1.6 mi · 3 min · Valley Drive East
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3
Turn right
1.6 mi · 2 min
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4
Take the ramp left
68.5 mi · 1 hr 5 min
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5
Take the exit slight right toward I 94 Business: Glendive, Circle
2 mi · 4 min
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6
Turn left onto Alder Avenue
1.6 km · 2 min · Alder Avenue
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7
Continue straight
45.3 mi · 49 min
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8
Turn right onto State Highway 13
46.7 mi · 1 hr 9 min · State Highway 13
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9
Keep slight left
5.7 mi · 9 min
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10
Turn right onto 3rd Avenue South
1003 ft · 17 sec · 3rd Avenue South
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11
Continue on 4th Avenue North
111 m · 15 sec · 4th Avenue North
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12
Turn left
161.3 mi · 3 hr 4 min
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13
Turn left
582 ft · 26 sec
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14
Continue on 1st
1684 ft · 1 min · 1st
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15
Arrive at your destination
0 m · 1 sec · 1st Street
Car Route Details
A richer read on the saved driving route between Miles City 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.
Longest stretch
Turn left
161 mi · 03h 04m
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 Miles City 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 Miles City to Fort Belknap Agency?
The road trip is about 334.5 miles (538.3 km) and usually takes 06h 28m 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?
Wolf Point is a useful midpoint, sitting about 166.9 miles from Miles City and 167.5 miles from Fort Belknap Agency.
How much longer is the road route than the straight-line distance?
The direct path is about 198 miles (318.7 km), while the road route adds roughly 136.5 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 $45.94 one way or $91.87 round trip. Estimated CO2 is about 104.9 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Miles City and Sunny near Fort Belknap Agency.
Stop Ideas Near Wolf Point
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 Wolf Point.
Wolf Point
Glasgow
Sidney, MT
Flight Path Map
This map shows the direct air route between Miles City and Fort Belknap Agency. Straight-line distance: 198.01 mi (318.66 km).
#1 Miles City
City in Custer County, Montana
| Population | 8,264 |
| Coordinates | 46.4083400, -105.8405600 |
| Altitude | 722 |
| 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: 538 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 11h 08m |
| 40 mph (64.37 km/h) | 08h 21m |
| 50 mph (80.47 km/h) | 06h 41m |
| 60 mph (96.56 km/h) | 05h 34m |
| 70 mph (112.65 km/h) | 04h 46m |
| 80 mph (129 km/h) | 04h 10m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $45.94 | $91.87 |
| Mid-grade | $4.23 | $49.93 | $99.85 |
| Premium | $4.55 | $53.68 | $107.36 |
| Diesel | $5.41 | $63.86 | $127.72 |
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.