How far is Bozeman, MT from Great Falls, MT?

The driving distance from Bozeman, MT to Great Falls, MT is about 185.2 miles (298 km), with a travel time of about 02h 55m by car.

  • The straight-line flight distance is about 126.4 miles (203.4 km).
  • For a round trip, plan for roughly 05h 50m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 8:00 AM to 10:00 AM MDT.
Trip Tools

Reverse, save, or send this route

This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.

Reverse Route
Quick Snapshot
Road
185.2 mi
02h 55m
Flight
126.41 mi
203.43 km direct

This route works well as a day trip with time at the destination.

Learn Distance

Choose another destination from Bozeman.

Flight Distance

Direct air line
126.41 mi
Kilometers
203.43 km
Flight Time
00h 15m

Driving Distance

Road route
185.2 mi
Kilometers
298.05 km
Drive Time
02h 55m

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 02h 55m.

Arrival Snapshot
Arrive in Great Falls
Thu, Apr 23, 9:26 AM MDT
Return by in Bozeman
Thu, Apr 23, 12:21 PM MDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Bozeman
2026-04-23T06:30
Arrive Great Falls
Thu, Apr 23, 9:26 AM MDT
Route Timing
02h 55m
One way by road
Best Departure Window
8:00 AM to 10:00 AM MDT
Aim for a morning departure
Arrive between
10:55 AM to 12:55 PM MDT

A morning start gives you useful time at the destination and keeps the return out of the late evening.

Leave by
12:40 PM MDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Bozeman
9:30 PM MDT
Morning start is best

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
East Helena
MT

Town of the United States

From Bozeman
92.5 mi
01h 27m
To Great Falls
92.7 mi
01h 27m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
42°F
Thursday

Rain And Snow

Starts
Thu, Apr 23 6:00 AM MDT
Wind
15 mph NW
Destination
44°F
Thursday

Light Snow Likely

Starts
Thu, Apr 23 6:00 AM MDT
Wind
20 to 24 mph NNW

Driving Route Map

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

Turn-by-Turn Driving Directions

Step-by-step road directions between Bozeman and Great Falls.

  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

    86 mi · 1 hr 23 min · First Special Service Force Memorial Highway

  9. 9

    Take the exit slight right toward I 15 Business, US 89 South, MT 200 East

    2016 ft · 49 sec

  10. 10

    Continue on Country Club Boulevard

    1.4 mi · 2 min · Country Club Boulevard

  11. 11

    Continue on 10th Avenue South

    1.1 km · 58 sec · 10th Avenue South

  12. 12

    Turn left onto 4th Street South

    2216 ft · 2 min · 4th Street South

  13. 13

    Arrive at your destination

    0 m · 1 sec · 4th Street South

Car Route Details

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

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
13 steps
5 turns on the saved route
Ramps & Exits
4
1 merges, 3 ramps or exits
Navigation Density
7 / 100 mi
Decision points by distance
Main Roads
First Special Service Force Memorial Highway
86 mi · 46%
Highway 287
62.2 mi · 34%
Country Club Boulevard
1.35 mi · 1%
North 7th Avenue
0.87 mi
10th Avenue South
0.67 mi
4th Street South
0.42 mi
Longest Stretch

First Special Service Force Memorial Highway

Merge slight left onto First Special Service Force Memorial Highway

86 mi · 01h 23m

Route Summary

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

Trip Read

A comfortable day-trip route

This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.

Drive Time
02h 55m
Day trip friendly
Same-Day Return
05h 50m
Round-trip wheel time
Road vs Air
+58.8 mi
126.4 mi direct line
Halfway Stop
East Helena
01h 27m from Bozeman
Leave By
12:40 PM MDT
Morning start is best
Weather Watch

Rain And Snow leaving Bozeman and Light Snow Likely near Great Falls.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Bozeman to Great Falls?

The road trip is about 185.2 miles (298 km) and usually takes 02h 55m in normal driving conditions.

Is this a same-day trip or an overnight route?

This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.

What is the halfway point on this route?

East Helena is a useful midpoint, sitting about 92.5 miles from Bozeman and 92.7 miles from Great Falls.

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

The direct path is about 126.4 miles (203.4 km), while the road route adds roughly 58.8 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 8:00 AM to 10:00 AM MDT. If you want a more comfortable same-day return, try to leave by 12:40 PM MDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $25.46 one way or $50.92 round trip. Estimated CO2 is about 58.1 kg one way.

What should you check before leaving?

Before you leave, expect Rain And Snow around Bozeman and Light Snow Likely near Great Falls.

Stop Ideas Near East Helena

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
Local place coverage is thin around East Helena, so nearby transit and meeting points are shown instead.
Reviewed stop coverage is still thin around this midpoint, so practical transit waypoints are shown on the right.

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to East Helena.

BUS

Butte, MT

80 mi away
1324 Harrison Avenue
BUS

Bozeman, MT

108 mi away
6505 Jack Rabbit Lane

Flight Path Map

This map shows the direct air route between Bozeman and Great Falls. Straight-line distance: 126.41 mi (203.43 km).

Bozeman

#1 Bozeman

Town in Gallatin County, Montana, United States

Population50,970
Coordinates45.6796500, -111.0385600
Altitude1468
CountryUnited States
Great Falls

#2 Great Falls

Town in Cascade County, Montana, United States

Population58,353
Coordinates47.5002400, -111.3008100
Altitude1015
CountryUnited States
Start: North Willson Avenue (-111.038724, 45.679648)
End: 4th Street South (-111.300848, 47.50024)

Estimated Travel Time

Distance: 298 km by road

SpeedTime
30 mph (48.3 km/h)06h 10m
40 mph (64.37 km/h)04h 37m
50 mph (80.47 km/h)03h 42m
60 mph (96.56 km/h)03h 05m
70 mph (112.65 km/h)02h 38m
80 mph (129 km/h)02h 18m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
6.54 gal
24.74 L · about $25.46
Round trip
$50.92
13.08 gal · 49.48 L
Estimated CO2
58.1 kg one way
Round trip: 116.2 kg / 256 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.89 $25.46 $50.92
Mid-grade $4.23 $27.67 $55.34
Premium $4.55 $29.75 $59.50
Diesel $5.41 $35.39 $70.79

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 23, 2026

There is no time difference between Bozeman and Great Falls. The current time is 06:30:44.

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.