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

The driving distance from Great Falls, MT to Bozeman, MT is about 185.5 miles (298.6 km), with a travel time of about 02h 58m by car.

  • The straight-line flight distance is about 126.4 miles (203.4 km).
  • For a round trip, plan for roughly 05h 57m 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
185.57 mi
02h 58m
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 Great Falls.

Flight Distance

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

Driving Distance

Road route
185.57 mi
Kilometers
298.64 km
Drive Time
02h 58m

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 58m.

Arrival Snapshot
Arrive in Bozeman
Thu, Apr 23, 1:38 AM MDT
Return by in Great Falls
Thu, Apr 23, 4:37 AM MDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Great Falls
2026-04-22T22:39
Arrive Bozeman
Thu, Apr 23, 1:38 AM MDT
Route Timing
02h 58m
One way by road
Best Departure Window
8:00 AM to 10:00 AM MDT
Aim for a morning departure
Arrive between
10:59 AM to 12:59 PM MDT

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

Leave by
12:32 PM MDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Great Falls
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 Great Falls
92.6 mi
01h 29m
To Bozeman
92.9 mi
01h 29m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
70°F
Wednesday

Partly Sunny then Showers And Thunderstorms Likely

Starts
Wed, Apr 22 6:00 AM MDT
Wind
6 to 21 mph W
Destination
64°F
Wednesday

Light Rain Likely

Starts
Wed, Apr 22 6:00 AM MDT
Wind
10 to 20 mph SSW

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  1. 1

    Start on 4th Street South

    49 m · 12 sec · 4th Street South

  2. 2

    Turn left onto 5th Avenue South

    130 m · 21 sec · 5th Avenue South

  3. 3

    Turn right onto 5th Street South

    1988 ft · 38 sec · 5th Street South

  4. 4

    Turn right onto 10th Avenue South

    1.2 km · 1 min · 10th Avenue South

  5. 5

    Continue on Country Club Boulevard

    1.3 mi · 2 min · Country Club Boulevard

  6. 6

    Keep slight left

    1.2 km · 2 min

  7. 7

    Merge slight left onto First Special Service Force Memorial Highway

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

  8. 8

    Take the exit slight right toward US 12 South, US 287 South: Townsend, Capitol Area

    1280 ft · 34 sec

  9. 9

    Turn left onto Prospect Avenue

    1 mi · 2 min · Prospect Avenue

  10. 10

    Continue straight

    3.6 mi · 5 min

  11. 11

    Continue straight

    1678 ft · 26 sec

  12. 12

    Continue straight

    30.2 mi · 34 min

  13. 13

    Continue straight

    4.9 mi · 5 min

  14. 14

    Continue straight

    1787 ft · 22 sec

  15. 15

    Continue straight

    22.4 mi · 24 min

  16. 16

    Take the exit left toward I 90 East: Billings

    1372 ft · 34 sec

  17. 17

    Merge slight left

    31.6 mi · 32 min

  18. 18

    Take the exit slight right toward North 7th Avenue

    1451 ft · 38 sec

  19. 19

    Turn right onto North 7th Avenue

    1.2 km · 1 min · North 7th Avenue

  20. 20

    Turn left onto West Peach Street

    1949 ft · 44 sec · West Peach Street

  21. 21

    Turn right onto North Willson Avenue

    2143 ft · 1 min · North Willson Avenue

  22. 22

    Arrive at your destination

    0 m · 1 sec · North Willson Avenue

Car Route Details

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

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
22 steps
7 turns on the saved route
Ramps & Exits
5
2 merges, 3 ramps or exits
Navigation Density
11.9 / 100 mi
Decision points by distance
Main Roads
First Special Service Force Memorial Highway
85.7 mi · 46%
Prospect Avenue
62.7 mi · 34%
I 90 East
31.8 mi · 17%
Country Club Boulevard
1.99 mi · 1%
North 7th Avenue
0.99 mi · 1%
10th Avenue South
0.75 mi
Longest Stretch

First Special Service Force Memorial Highway

Merge slight left onto First Special Service Force Memorial Highway

85.7 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 58m
Day trip friendly
Same-Day Return
05h 58m
Round-trip wheel time
Road vs Air
+59.1 mi
126.4 mi direct line
Halfway Stop
East Helena
01h 29m from Great Falls
Leave By
12:32 PM MDT
Morning start is best
Weather Watch

Partly Sunny then Showers And Thunderstorms Likely leaving Great Falls and Light Rain Likely near Bozeman.

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 185.5 miles (298.6 km) and usually takes 02h 58m 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 92.6 miles from Great Falls and 92.9 miles from Bozeman.

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 59.1 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 12:32 PM MDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $25.50 one way or $51.00 round trip. Estimated CO2 is about 58.2 kg one way.

What should you check before leaving?

Before you leave, expect Partly Sunny then Showers And Thunderstorms Likely around Great Falls and Light Rain Likely near Bozeman.

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 Great Falls and Bozeman. Straight-line distance: 126.41 mi (203.43 km).

Great Falls

#1 Great Falls

Town in Cascade County, Montana, United States

Population58,353
Coordinates47.5002400, -111.3008100
Altitude1015
CountryUnited States
Bozeman

#2 Bozeman

Town in Gallatin County, Montana, United States

Population50,970
Coordinates45.6796500, -111.0385600
Altitude1468
CountryUnited States
Start: 4th Street South (-111.300848, 47.50024)
End: North Willson Avenue (-111.038724, 45.679648)

Estimated Travel Time

Distance: 299 km by road

SpeedTime
30 mph (48.3 km/h)06h 10m
40 mph (64.37 km/h)04h 38m
50 mph (80.47 km/h)03h 42m
60 mph (96.56 km/h)03h 05m
70 mph (112.65 km/h)02h 39m
80 mph (129 km/h)02h 18m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
6.55 gal
24.79 L · about $25.50
Round trip
$51.00
13.1 gal · 49.58 L
Estimated CO2
58.2 kg one way
Round trip: 116.4 kg / 257 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.89 $25.50 $51.00
Mid-grade $4.23 $27.71 $55.43
Premium $4.55 $29.80 $59.59
Diesel $5.41 $35.45 $70.90

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 Great Falls and Bozeman. The current time is 22:39:28.

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.