How far is Bozeman, MT from Chinook, MT?

The driving distance from Bozeman, MT to Chinook, MT is about 320.6 miles (516 km), with a travel time of about 05h 46m by car.

  • The straight-line flight distance is about 218.3 miles (351.3 km).
  • For a round trip, plan for roughly 11h 33m 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
320.6 mi
05h 46m
Flight
218.28 mi
351.28 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
218.28 mi
Kilometers
351.28 km
Flight Time
00h 26m

Driving Distance

Road route
320.6 mi
Kilometers
515.96 km
Drive Time
05h 46m

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 46m.

Arrival Snapshot
Arrive in Chinook
Sun, Apr 12, 10:34 PM MDT
Return by in Bozeman
Mon, Apr 13, 4:20 AM MDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Bozeman
2026-04-12T16:47
Arrive Chinook
Sun, Apr 12, 10:34 PM MDT
Route Timing
05h 46m
One way by road
Best Departure Window
6:00 AM to 8:00 AM MDT
Leave early for more breathing room
Arrive between
11:47 AM to 1:47 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
5:26 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
160.1 mi
02h 53m
To Chinook
160.5 mi
02h 53m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
61°F
Sunday

Showers And Thunderstorms

Starts
Sun, Apr 12 12:00 AM MDT
Wind
6 to 13 mph SSW
Destination
60°F
Sunday

Chance Light Rain

Starts
Sun, Apr 12 6:00 AM MDT
Wind
13 mph NW

Driving Route Map

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

Turn-by-Turn Driving Directions

Step-by-step road directions between Bozeman and Chinook.

  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

    87.6 mi · 1 hr 25 min · First Special Service Force Memorial Highway

  9. 9

    Take the exit slight right

    1262 ft · 31 sec

  10. 10

    Keep slight right

    70 m · 6 sec

  11. 11

    Merge slight left onto Central Avenue West

    1.2 mi · 1 min · Central Avenue West

  12. 12

    Turn left onto 3rd Street Northwest

    1.4 mi · 2 min · 3rd Street Northwest

  13. 13

    Continue on Smelter Avenue Northeast

    2885 ft · 45 sec · Smelter Avenue Northeast

  14. 14

    Turn left onto Old Havre Highway

    1.4 km · 1 min · Old Havre Highway

  15. 15

    Turn left onto 15th Street Northeast

    107.3 mi · 1 hr 58 min · 15th Street Northeast

  16. 16

    Turn right

    3.9 mi · 5 min

  17. 17

    Continue straight

    20.8 mi · 24 min

  18. 18

    Turn right onto Indiana Street

    1775 ft · 1 min · Indiana Street

  19. 19

    Arrive at your destination

    0 m · 1 sec · Indiana Street

Car Route Details

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

OSRM road route
Drive Character

Long-distance drive

This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.

Directions
19 steps
9 turns on the saved route
Ramps & Exits
5
2 merges, 3 ramps or exits
Navigation Density
5.9 / 100 mi
Decision points by distance
Main Roads
15th Street Northeast
128 mi · 40%
First Special Service Force Memorial Highway
87.9 mi · 27%
Highway 287
62.2 mi · 19%
3rd Street Northwest
1.43 mi
Central Avenue West
1.19 mi
North 7th Avenue
0.87 mi
Longest Stretch

15th Street Northeast

Turn left onto 15th Street Northeast

107 mi · 01h 58m

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 46m
Long day trip
Same-Day Return
11h 34m
Round-trip wheel time
Road vs Air
+102.3 mi
218.3 mi direct line
Halfway Stop
Cascade
02h 53m from Bozeman
Leave By
5:26 AM MDT
Early departure recommended
Weather Watch

Showers And Thunderstorms leaving Bozeman and Chance Light Rain near Chinook.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Bozeman to Chinook?

The road trip is about 320.6 miles (516 km) and usually takes 05h 46m 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 160.1 miles from Bozeman and 160.5 miles from Chinook.

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

The direct path is about 218.3 miles (351.3 km), while the road route adds roughly 102.3 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 5:26 AM MDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $44.03 one way or $88.06 round trip. Estimated CO2 is about 100.5 kg one way.

What should you check before leaving?

Before you leave, expect Showers And Thunderstorms around Bozeman and Chance Light Rain near Chinook.

Flight Path Map

This map shows the direct air route between Bozeman and Chinook. Straight-line distance: 218.28 mi (351.28 km).

Bozeman

#1 Bozeman

Town in Gallatin County, Montana, United States

Population50,970
Coordinates45.6796500, -111.0385600
Altitude1468
CountryUnited States
Photo coming soon

#2 Chinook

City in Montana

Population1,230
Coordinates48.5900000, -109.2312800
Altitude740
CountryUnited States
Start: Bozeman (-111.03856, 45.67965)
End: Chinook (-109.23128, 48.59)

Estimated Travel Time

Distance: 516 km by road

SpeedTime
30 mph (48.3 km/h)10h 40m
40 mph (64.37 km/h)08h 00m
50 mph (80.47 km/h)06h 24m
60 mph (96.56 km/h)05h 20m
70 mph (112.65 km/h)04h 34m
80 mph (129 km/h)03h 59m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
11.31 gal
42.82 L · about $44.03
Round trip
$88.06
22.62 gal · 85.64 L
Estimated CO2
100.5 kg one way
Round trip: 201 kg / 443 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.89 $44.03 $88.06
Mid-grade $4.23 $47.85 $95.71
Premium $4.55 $51.45 $102.90
Diesel $5.41 $61.21 $122.42

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 12, 2026

There is no time difference between Bozeman and Chinook. The current time is 16:47:34.

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.