How far is Bozeman, MT from South Browning, MT?

The driving distance from Bozeman, MT to South Browning, MT is about 270.7 miles (435.6 km), with a travel time of about 05h 13m by car.

  • The straight-line flight distance is about 218.7 miles (352 km).
  • For a round trip, plan for roughly 10h 26m 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
270.69 mi
05h 13m
Flight
218.74 mi
352.02 km direct

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

Learn Distance

Choose another destination from Bozeman.

Flight Distance

Direct air line
218.74 mi
Kilometers
352.02 km
Flight Time
00h 26m

Driving Distance

Road route
270.69 mi
Kilometers
435.64 km
Drive Time
05h 13m

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 05h 13m.

Arrival Snapshot
Arrive in South Browning
Sat, Apr 18, 7:06 AM MDT
Return by in Bozeman
Sat, Apr 18, 12:20 PM MDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Bozeman
2026-04-18T01:53
Arrive South Browning
Sat, Apr 18, 7:06 AM MDT
Route Timing
05h 13m
One way by road
Best Departure Window
6:00 AM to 8:00 AM MDT
Leave early for more breathing room
Arrive between
11:13 AM to 1:13 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
6:34 AM MDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Bozeman
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
Cascade
MT

Town in Cascade County, Montana, United States

From Bozeman
135.2 mi
02h 36m
To South Browning
135.5 mi
02h 36m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
52°F
Saturday

Sunny

Starts
Sat, Apr 18 6:00 AM MDT
Wind
5 to 8 mph SSW
Destination
49°F
Saturday

Sunny

Starts
Sat, Apr 18 6:00 AM MDT
Wind
14 to 21 mph WSW

Driving Route Map

The map below follows the saved road route between Bozeman and South Browning.

Turn-by-Turn Driving Directions

Step-by-step road directions between Bozeman and South Browning.

  1. 1

    Start on North Willson Avenue

    2143 ft · 1 min · North Willson Avenue

  2. 2

    Turn left onto West Peach Street

    1896 ft · 42 sec · West Peach Street

  3. 3

    Turn right onto North 7th Avenue

    1.4 km · 2 min · North 7th Avenue

  4. 4

    Turn left

    31.8 mi · 32 min

  5. 5

    Take the exit slight right toward US 287: Helena, Ennis

    1498 ft · 37 sec

  6. 6

    Turn right onto Highway 287

    62.2 mi · 1 hr 11 min · Highway 287

  7. 7

    Take the exit slight right toward I 15 North: Great Falls

    1958 ft · 48 sec

  8. 8

    Merge slight left onto First Special Service Force Memorial Highway

    35.9 mi · 36 min · First Special Service Force Memorial Highway

  9. 9

    Take the exit slight right toward US 287 North: Augusta, Choteau

    20.8 mi · 31 min

  10. 10

    Turn right

    18.4 mi · 21 min

  11. 11

    Turn left onto Simms Fairfield Road

    1.8 mi · 3 min · Simms Fairfield Road

  12. 12

    Continue on 3rd Lane

    5.3 mi · 9 min · 3rd Lane

  13. 13

    Turn left onto 1st Road Southeast

    3.3 mi · 4 min · 1st Road Southeast

  14. 14

    Continue on Park Way

    16.8 mi · 19 min · Park Way

  15. 15

    Continue on Main Avenue South

    1.1 km · 2 min · Main Avenue South

  16. 16

    Enter the roundabout and take exit 2 toward West Division Street

    157 m · 18 sec · West Division Street

  17. 17

    Exit the rotary onto West Division Street

    44 m · 5 sec · West Division Street

  18. 18

    Turn slight right onto Main Avenue North

    6 mi · 8 min · Main Avenue North

  19. 19

    Continue on 13th Lane Northwest

    12.9 mi · 15 min · 13th Lane Northwest

  20. 20

    Continue on United States Highway 89

    49.2 mi · 53 min · United States Highway 89

  21. 21

    At the end of the road, turn left

    2.7 mi · 3 min

  22. 22

    Turn left onto 8th Avenue Southeast

    906 ft · 45 sec · 8th Avenue Southeast

  23. 23

    At the end of the road, turn left onto South Piegan Street

    117 m · 19 sec · South Piegan Street

  24. 24

    Turn right onto Mountain Chief Road

    93 m · 13 sec · Mountain Chief Road

  25. 25

    Arrive at your destination

    0 m · 1 sec · Mountain Chief Road

Car Route Details

A richer read on the saved driving route between Bozeman and South Browning.

OSRM road route
Drive Character

Highway-focused drive

Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.

Directions
25 steps
14 turns on the saved route
Ramps & Exits
6
1 merges, 5 ramps or exits
Navigation Density
9.2 / 100 mi
Decision points by distance
Main Roads
Highway 287
62.2 mi · 23%
United States Highway 89
49.2 mi · 18%
First Special Service Force Memorial Highway
35.9 mi · 13%
US 287 North
20.8 mi · 8%
Park Way
16.8 mi · 6%
13th Lane Northwest
12.9 mi · 5%
Longest Stretch

Highway 287

Turn right onto Highway 287

62.2 mi · 01h 11m

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
05h 13m
Long day trip
Same-Day Return
10h 26m
Round-trip wheel time
Road vs Air
+52 mi
218.7 mi direct line
Halfway Stop
Cascade
02h 36m from Bozeman
Leave By
6:34 AM MDT
Early departure recommended
Weather Watch

Sunny leaving Bozeman and Sunny near South Browning.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Bozeman to South Browning?

The road trip is about 270.7 miles (435.6 km) and usually takes 05h 13m 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?

Cascade is a useful midpoint, sitting about 135.2 miles from Bozeman and 135.5 miles from South Browning.

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

The direct path is about 218.7 miles (352 km), while the road route adds roughly 52 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 6:34 AM MDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $37.18 one way or $74.36 round trip. Estimated CO2 is about 84.9 kg one way.

What should you check before leaving?

Before you leave, expect Sunny around Bozeman and Sunny near South Browning.

Flight Path Map

This map shows the direct air route between Bozeman and South Browning. Straight-line distance: 218.74 mi (352.02 km).

Bozeman

#1 Bozeman

Town in Gallatin County, Montana, United States

Population50,970
Coordinates45.6796500, -111.0385600
Altitude1468
CountryUnited States
South Browning

#2 South Browning

Town in Glacier County, Montana, United States

Population1,785
Coordinates48.5460800, -113.0142500
Altitude1339
CountryUnited States
Start: Bozeman (-111.03856, 45.67965)
End: South Browning (-113.01425, 48.54608)

Estimated Travel Time

Distance: 436 km by road

SpeedTime
30 mph (48.3 km/h)09h 01m
40 mph (64.37 km/h)06h 46m
50 mph (80.47 km/h)05h 24m
60 mph (96.56 km/h)04h 30m
70 mph (112.65 km/h)03h 52m
80 mph (129 km/h)03h 22m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
9.55 gal
36.16 L · about $37.18
Round trip
$74.36
19.1 gal · 72.32 L
Estimated CO2
84.9 kg one way
Round trip: 169.7 kg / 374 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.89 $37.18 $74.36
Mid-grade $4.23 $40.41 $80.81
Premium $4.55 $43.44 $86.89
Diesel $5.41 $51.68 $103.37

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 18, 2026

There is no time difference between Bozeman and South Browning. The current time is 01:53:26.

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.