How far is Lockwood, MT from Fort Belknap Agency, MT?

The driving distance from Lockwood, MT to Fort Belknap Agency, MT is about 204.9 miles (329.8 km), with a travel time of about 04h 45m by car.

  • The straight-line flight distance is about 184.7 miles (297.3 km).
  • For a round trip, plan for roughly 09h 31m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 8:00 AM MDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
204.93 mi
04h 45m
Flight
184.76 mi
297.34 km direct

This drive is better planned with a longer stop or an overnight stay.

Learn Distance

Choose another destination from Lockwood.

Flight Distance

Direct air line
184.76 mi
Kilometers
297.34 km
Flight Time
00h 22m

Driving Distance

Road route
204.93 mi
Kilometers
329.81 km
Drive Time
04h 45m

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 45m.

Arrival Snapshot
Arrive in Fort Belknap Agency
Sun, Apr 19, 5:27 AM MDT
Return by in Lockwood
Sun, Apr 19, 10:12 AM MDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Lockwood
2026-04-19T00:41
Arrive Fort Belknap Agency
Sun, Apr 19, 5:27 AM MDT
Route Timing
04h 45m
One way by road
Best Departure Window
6:00 AM to 8:00 AM MDT
Leave early for more breathing room
Arrive between
10:46 AM to 12:46 PM MDT

An early departure helps you fit a real stop into the day without turning the return into a late-night drive.

Leave by
7:28 AM MDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Lockwood
9:00 PM MDT
Early departure recommended

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.

Mid-route stop
Grass Range
MT

Town of the United States

From Lockwood
102.5 mi
02h 22m
To Fort Belknap Agency
102.5 mi
02h 22m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
70°F
Sunday

Sunny

Starts
Sun, Apr 19 6:00 AM MDT
Wind
9 to 13 mph SW
Destination
65°F
Sunday

Sunny

Starts
Sun, Apr 19 6:00 AM MDT
Wind
5 to 12 mph SSE

Driving Route Map

The map below follows the saved road route between Lockwood and Fort Belknap Agency.

Turn-by-Turn Driving Directions

Step-by-step road directions between Lockwood and Fort Belknap Agency.

  1. 1

    Start on Johnson Lane

    1156 ft · 33 sec · Johnson Lane

  2. 2

    Take the ramp right

    2235 ft · 54 sec

  3. 3

    Merge slight left

    1.8 mi · 2 min

  4. 4

    Take the exit slight right toward I 90 Business, US 87 North: Lockwood, Roundup

    1389 ft · 36 sec

  5. 5

    Merge slight left onto US Highway 87 East

    1.2 mi · 1 min · US Highway 87 East

  6. 6

    Take the exit slight right

    3.5 mi · 6 min

  7. 7

    Turn slight left onto Roundup Road

    44.4 mi · 49 min · Roundup Road

  8. 8

    Turn left onto Main Street

    1.2 km · 1 min · Main Street

  9. 9

    Turn slight left

    44.4 mi · 1 hr 3 min

  10. 10

    Continue straight

    21.5 mi · 32 min

  11. 11

    Continue straight

    35.8 mi · 53 min

  12. 12

    Turn left

    50 mi · 1 hr 14 min

  13. 13

    Turn left

    1584 ft · 24 sec

  14. 14

    Turn left

    582 ft · 26 sec

  15. 15

    Continue on 1st

    1684 ft · 1 min · 1st

  16. 16

    Arrive at your destination

    0 m · 1 sec · 1st Street

Car Route Details

A richer read on the saved driving route between Lockwood and Fort Belknap Agency.

OSRM road route
Drive Character

Interchange-aware route

The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.

Directions
16 steps
6 turns on the saved route
Ramps & Exits
5
2 merges, 3 ramps or exits
Navigation Density
7.8 / 100 mi
Decision points by distance
Main Roads
Main Street
58 mi · 28%
Roundup Road
44.4 mi · 22%
US Highway 87 East
4.69 mi · 2%
Johnson Lane
2.48 mi · 1%
1st
0.32 mi
I 90 Business
0.26 mi
Longest Stretch

Longest stretch

Turn left

50 mi · 01h 14m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

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.

Drive Time
04h 45m
Long day trip
Same-Day Return
09h 32m
Round-trip wheel time
Road vs Air
+20.2 mi
184.7 mi direct line
Halfway Stop
Grass Range
02h 22m from Lockwood
Leave By
7:28 AM MDT
Early departure recommended
Weather Watch

Sunny leaving Lockwood 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 Lockwood to Fort Belknap Agency?

The road trip is about 204.9 miles (329.8 km) and usually takes 04h 45m 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?

Grass Range is a useful midpoint, sitting about 102.5 miles from Lockwood and 102.5 miles from Fort Belknap Agency.

How much longer is the road route than the straight-line distance?

The direct path is about 184.7 miles (297.3 km), while the road route adds roughly 20.2 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 7:28 AM MDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $28.15 one way or $56.29 round trip. Estimated CO2 is about 64.3 kg one way.

What should you check before leaving?

Before you leave, expect Sunny around Lockwood and Sunny near Fort Belknap Agency.

Flight Path Map

This map shows the direct air route between Lockwood and Fort Belknap Agency. Straight-line distance: 184.76 mi (297.34 km).

Lockwood

#1 Lockwood

Human settlement in Yellowstone County, Montana, United States of America

Population6,797
Coordinates45.8191200, -108.4148600
Altitude943
CountryUnited States
Fort Belknap Agency

#2 Fort Belknap Agency

Census designated place

Population1,293
Coordinates48.4825000, -108.7654400
Altitude724
CountryUnited States
Start: Lockwood (-108.41486, 45.81912)
End: Fort Belknap Agency (-108.76544, 48.4825)

Estimated Travel Time

Distance: 330 km by road

SpeedTime
30 mph (48.3 km/h)06h 49m
40 mph (64.37 km/h)05h 07m
50 mph (80.47 km/h)04h 05m
60 mph (96.56 km/h)03h 24m
70 mph (112.65 km/h)02h 55m
80 mph (129 km/h)02h 33m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
7.23 gal
27.37 L · about $28.15
Round trip
$56.29
14.46 gal · 54.74 L
Estimated CO2
64.3 kg one way
Round trip: 128.5 kg / 283 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.89 $28.15 $56.29
Mid-grade $4.23 $30.59 $61.18
Premium $4.55 $32.89 $65.78
Diesel $5.41 $39.13 $78.26

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

There is no time difference between Lockwood and Fort Belknap Agency. The current time is 00:41:22.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.