How far is Great Falls, MT from West Glendive, MT?

The driving distance from Great Falls, MT to West Glendive, MT is about 350.1 miles (563.5 km), with a travel time of about 06h 27m by car.

  • The straight-line flight distance is about 308 miles (495.7 km).
  • For a round trip, plan for roughly 12h 54m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 7:30 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
350.16 mi
06h 27m
Flight
308.01 mi
495.7 km direct

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

Learn Distance

Choose another destination from Great Falls.

Flight Distance

Direct air line
308.01 mi
Kilometers
495.7 km
Flight Time
00h 37m

Driving Distance

Road route
350.16 mi
Kilometers
563.53 km
Drive Time
06h 27m

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 06h 27m.

Arrival Snapshot
Arrive in West Glendive
Sat, Apr 11, 12:09 PM MDT
Return by in Great Falls
Sat, Apr 11, 6:36 PM MDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Great Falls
2026-04-11T05:42
Arrive West Glendive
Sat, Apr 11, 12:09 PM MDT
Route Timing
06h 27m
One way by road
Best Departure Window
6:00 AM to 7:30 AM MDT
Treat this as a longer travel day
Arrive between
12:27 PM to 1:57 PM MDT

Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.

Leave by
11:06 PM MDT
Keeps a same-day return open with about 08h 00m at the destination.
Back in Great Falls
8:00 PM MDT
Overnight-style route

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
Winnett
MT

Town of the United States

From Great Falls
174.7 mi
03h 13m
To West Glendive
175.5 mi
03h 13m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
74°F
Saturday

Mostly Sunny then Chance Showers And Thunderstorms

Starts
Sat, Apr 11 12:00 AM MDT
Wind
3 to 14 mph SW
Destination
78°F
Saturday

Mostly Sunny

Starts
Sat, Apr 11 6:00 AM MDT
Wind
9 mph SSE

Driving Route Map

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

Turn-by-Turn Driving Directions

Step-by-step road directions between Great Falls and West Glendive.

  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 · 36 sec · 5th Street South

  4. 4

    Turn left onto 10th Avenue South

    5.7 mi · 8 min · 10th Avenue South

  5. 5

    Continue straight

    17.6 mi · 19 min

  6. 6

    Enter the roundabout and take exit 2 toward the route

    68 m · 3 sec

  7. 7

    Exit the roundabout

    1606 ft · 21 sec

  8. 8

    Turn straight

    64.3 mi · 1 hr 10 min

  9. 9

    Continue straight

    14.7 mi · 16 min

  10. 10

    Turn straight onto Truck Bypass

    2.6 mi · 4 min · Truck Bypass

  11. 11

    Continue on 1st Avenue North

    1629 ft · 37 sec · 1st Avenue North

  12. 12

    Turn left onto East Main Street

    1946 ft · 1 min · East Main Street

  13. 13

    Continue on Northeast Main Street

    1.1 mi · 2 min · Northeast Main Street

  14. 14

    Continue on US Highway 87

    196.5 mi · 3 hr 35 min · US Highway 87

  15. 15

    Continue straight

    43.4 mi · 47 min

  16. 16

    Continue straight

    159 m · 15 sec

  17. 17

    Take the ramp left

    1186 ft · 29 sec

  18. 18

    Merge slight left

    1.3 mi · 1 min

  19. 19

    Take the exit slight right toward MT 16: Glendive, Sidney

    1422 ft · 38 sec

  20. 20

    Turn left

    636 ft · 19 sec

  21. 21

    Take the exit left

    1385 ft · 34 sec

  22. 22

    Merge slight left

    2608 ft · 28 sec

  23. 23

    Arrive at your destination

    0 m · 1 sec

Car Route Details

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

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
23 steps
9 turns on the saved route
Ramps & Exits
7
2 merges, 5 ramps or exits
Navigation Density
6.6 / 100 mi
Decision points by distance
Main Roads
US Highway 87
242 mi · 69%
10th Avenue South
38.3 mi · 11%
Truck Bypass
2.61 mi · 1%
Northeast Main Street
1.07 mi
MT 16
1.03 mi
5th Street South
0.38 mi
Longest Stretch

US Highway 87

Continue on US Highway 87

196 mi · 03h 35m

Route Summary

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

Trip Read

Better with a longer stop

This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.

Drive Time
06h 27m
Overnight route
Same-Day Return
12h 54m
Round-trip wheel time
Road vs Air
+42.1 mi
308 mi direct line
Halfway Stop
Winnett
03h 13m from Great Falls
Leave By
11:06 PM MDT
Overnight-style route
Weather Watch

Mostly Sunny then Chance Showers And Thunderstorms leaving Great Falls and Mostly Sunny near West Glendive.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Great Falls to West Glendive?

The road trip is about 350.1 miles (563.5 km) and usually takes 06h 27m in normal driving conditions.

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

This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.

What is the halfway point on this route?

Winnett is a useful midpoint, sitting about 174.7 miles from Great Falls and 175.5 miles from West Glendive.

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

The direct path is about 308 miles (495.7 km), while the road route adds roughly 42.1 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 6:00 AM to 7:30 AM MDT. Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $48.12 one way or $96.23 round trip. Estimated CO2 is about 109.8 kg one way.

What should you check before leaving?

Before you leave, expect Mostly Sunny then Chance Showers And Thunderstorms around Great Falls and Mostly Sunny near West Glendive.

Flight Path Map

This map shows the direct air route between Great Falls and West Glendive. Straight-line distance: 308.01 mi (495.7 km).

Great Falls

#1 Great Falls

Town in Cascade County, Montana, United States

Population58,353
Coordinates47.5002400, -111.3008100
Altitude1015
CountryUnited States
West Glendive

#2 West Glendive

Census designated place

Population1,948
Coordinates47.1108500, -104.7496800
Altitude646
CountryUnited States
Start: Great Falls (-111.30081, 47.50024)
End: West Glendive (-104.74968, 47.11085)

Estimated Travel Time

Distance: 564 km by road

SpeedTime
30 mph (48.3 km/h)11h 40m
40 mph (64.37 km/h)08h 45m
50 mph (80.47 km/h)07h 00m
60 mph (96.56 km/h)05h 50m
70 mph (112.65 km/h)05h 00m
80 mph (129 km/h)04h 22m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
12.36 gal
46.77 L · about $48.12
Round trip
$96.23
24.72 gal · 93.54 L
Estimated CO2
109.8 kg one way
Round trip: 219.7 kg / 484 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.89 $48.12 $96.23
Mid-grade $4.23 $52.30 $104.59
Premium $4.55 $56.23 $112.45
Diesel $5.41 $66.89 $133.78

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 11, 2026

There is no time difference between Great Falls and West Glendive. The current time is 05:42:23.

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.