Drive Time
5h 24m
Distance
316.9 mi
Route Type
Turn-heavy local drive
Long day tripSame Day?
Yes, doable
Fuel Cost
$43
one way
The drive from Libby, MT to Great Falls, MT covers 316.9 miles and takes about 5h 24m behind the wheel. This route is realistic as a one-day drive if you keep your stops efficient.
The route leans on Minnesota Avenue, West Idaho Street, Route 2 for much of the mileage, and the overall profile is turn-heavy local drive. At current regular gas prices, budget about $43.04 one way before food or hotel costs.
Trip Pace
Same-day drive is realistic
A same-day return is possible, but it will make for a full day on the road.
Break Rhythm
1 planned break
Plan on a short reset every 3 to 4 hours to stay fresh behind the wheel.
Midpoint
158.4 miles from Libby, MT
A natural place for your longest stop of the day , about 2h 42m into the drive .
Expect a 5h 24m drive with frequent turns across 316.9 miles of local and secondary roads.
| Road | Distance | Duration |
|---|---|---|
| Minnesota Avenue | Unavailable | Refreshing |
| West Idaho Street | Unavailable | Refreshing |
| Route 2 | Unavailable | Refreshing |
| Highway 35 | Unavailable | Refreshing |
| US 2 | Unavailable | Refreshing |
| the route | Unavailable | Refreshing |
| 1st Street Southwest | Unavailable | Refreshing |
| Main Avenue South | Unavailable | Refreshing |
Per-road distance and duration are being refreshed from OSRM for this route.
Step-by-step road directions between Libby, MT and Great Falls, MT.
Start on West 9th Street
Continue on Minnesota Avenue
Enter the roundabout and take exit 2 toward West Idaho Street
Exit the roundabout onto West Idaho Street
Continue on US Route 2
Turn straight onto State Highway 35
Continue straight
Turn left
At the end of the road, turn right onto US 2
Continue on US Route 2
Enter the roundabout and take exit 1 toward the route
Exit the roundabout
Turn straight
Enter the roundabout and take exit 3 toward 1st Street Southwest
Exit the rotary onto 1st Street Southwest
Turn straight onto Main Avenue South
Continue on United States Route 89
Continue on 1st Road Southeast
At the end of the road, turn left
Take the exit slight right toward I 15 South: Great Falls
Merge slight left onto First Special Service Force Memorial Highway
Take the exit slight right toward I 15 Business
Turn left onto Central Avenue West
Continue on First Avenue North Bridge
Continue on 1st Avenue North
Turn right onto 5th Street North
Turn right onto 4th Avenue South
Turn left onto 4th Street South
Arrive at your destination
Morning Departure
An early start around 7-8 AM gets you there with plenty of daylight left.
Evening Departure
A late afternoon start means arriving after dark. Morning is better.
This is a comfortable same-day trip.
Departure
Before you leave
Start with fuel, water, and navigation already sorted so the first hour feels easy.
First stop
Around 80 miles or 1h 21m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 158.4 miles or 2h 42m in
This is the best place for your longest stop, a real meal, and a full fuel check.
Final approach
Final hour starts around 4h 26m
Traffic, exits, and arrival timing usually matter more near Great Falls, MT than in the middle of the route.
Open the route before leaving Libby, MT so your first major turns are already loaded.
Leave with enough water and a charging cable within reach, not packed away.
Check your fuel range against the first long segment, especially if you are starting outside city service areas.
Day 1
Settle into the route from Libby, MT
This is one driving day of about 316.9 miles and 5h 24m.
Rest stops, refuel points, and overnight suggestions along this route.
Halfway Point
Midpoint
About 158.4 mi from Libby, MT · 2h 42m into the drive
Late stop town
Meal stop
158 mi into the route
Best for: Lunch, fuel, and a longer reset
This sits close to the middle of the route, so it works well for the longest stop of the day.
A short stop after about 80 miles helps settle the day before fatigue starts building.
The midpoint is around 158.4 miles from Libby, MT, which is a good place for a longer meal and fuel stop.
The final approach into Great Falls, MT usually feels slower than the middle of the drive, so avoid planning your tightest schedule at the very end.
Try to arrive with enough fuel left to skip an immediate station stop unless you already know the area around Great Falls, MT.
These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.
Regular Gas
$43.04 one way
$86.09 round trip
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $3.85 | $48.03 | $96.07 |
| premium | $4.15 | $51.78 | $103.55 |
| diesel | $3.75 | $46.79 | $93.57 |
Estimated Trip Cost (one way, 1 person)
Fuel
$43
Meals (1 day)
$25–$50
Total
$68–$93
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 110.9 kg one way.
Travel Intel
Current conditions at both ends of the drive. If you're planning ahead, check the forecast closer to your travel date.
Origin
Late night in Libby on Saturday
Local time
2:36 AM
MDT
Current temp
29°F
Forecast unavailable right now
Destination
Late night in Great Falls on Saturday
Local time
2:36 AM
MDT
Current temp
35°F
Forecast unavailable right now
Seasonal Notes
Summer travel usually means heavier construction, hotter rest stops, and busier weekend traffic around major cities.
Winter travel shortens daylight, so a route that looks manageable on paper can feel much longer after dark.
Holiday weekends tend to make both departure and arrival windows slower than the raw route time suggests.
Time zone
Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.
Temperature spread
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
An early start around 7-8 AM gets you there with plenty of daylight left.
Explore more options from Libby, MT or browse trips ending in Great Falls, MT.
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