Origin
Great Falls, MT
Morning in Great Falls on Saturday
Local time
8:52 AM
MDT
Current temp
68°F
Unavailable
Live forecast
Trip from Great Falls, MT to Roundup, MT
Compiled and reviewed by the Trip.ovh planning team at COD Solutions Oy · Last reviewed Apr 18, 2026 · Editorial standards
Drive Time
3h 36m
Distance
181.5 mi
292 km
Drive Score
8/10
Great drive
Same Day?
Yes, doable
Fuel Cost
$29
one way
EV Charging
Unknown
Best Time to Leave
4 AM
3h 24m
★
6 AM
3h 37m
8 AM
4h 2m
10 AM
3h 45m
12 PM
3h 43m
3 PM
3h 47m
5 PM
4h 0m
8 PM
3h 29m
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Great Falls, MT
Wikimedia Commons
Roundup, MT
James Mirakian
Trip Overview
The drive from Great Falls, MT to Roundup, MT covers 181.5 miles and takes about 3h 36m behind the wheel. This route is realistic as a one-day drive if you keep your stops efficient.
The route leans on 5th Avenue South, 5th Street South, 10th Avenue South for much of the mileage, and the overall profile is turn-heavy local drive. At current regular gas prices, budget about $28.76 one way before food or hotel costs.
Trip Pace
Same-day drive is realistic
A same-day return is realistic if you keep stops short.
Break Rhythm
1 planned break
A short stop every 2 to 3 hours is enough for this drive.
Midpoint
90.8 miles from Great Falls, MT
A natural place for your longest stop of the day , about 1h 48m into the drive .
Who Is This Route For?
Weekend Trip
Doable as a same-day drive at 3h 36m. Total distance: 181.5 miles.
Family Friendly
Moderate complexity with 1 natural rest stops along the way.
Solo Traveler
3h 36m drive, comfortable solo distance.
First-Time Driver
Mostly highway driving (0%). Straightforward navigation.
Scenic Drive
Turn-heavy local drive route profile.
Drive Character
Expect a 3h 36m drive with frequent turns across 181.5 miles of local and secondary roads.
This route has more turning and local-road decision points than a simple highway run.
There are about 16 navigation steps in the underlying route data, so the final approach matters more than the middle miles.
5th Avenue South is one of the defining roads on this drive.
How Hard Is This Drive?
Expect a hands-on drive with frequent turns and local roads rather than long highway stretches. Navigation is very simple - set it and forget it for most of the drive.
Driving Effort
1/10
Very easy - short and simple to drive
Balances navigation complexity with total wheel time.
The drive from Great Falls, MT to Roundup, MT is easy. At 3h 36m with 0% highway, most drivers will find it relaxed and low-stress.
Where does it get tricky?
This route does not have any notably tricky sections. Most of the drive from Great Falls, MT to Roundup, MT is straightforward, with well-signed roads and simple exits.
Main Roads
| Road | Distance | Duration |
|---|---|---|
| 5th Avenue South | — | — |
| 5th Street South | — | — |
| 10th Avenue South | — | — |
| the route | — | — |
| Truck Bypass | — | — |
| 1st Avenue North | — | — |
| East Main Street | — | — |
| Northeast Main Street | — | — |
Some road-level metrics are being recalculated.
Longest stretch:
5th Avenue South
— detailed segment metrics are refreshing.
Turn-by-Turn Driving Directions
Step-by-step road directions between Great Falls, MT and Roundup, MT.
1
Start on 4th Street South
161 ft
·
12 sec
·
4th Street South
2
Turn left onto 5th Avenue South
427 ft
·
21 sec
·
5th Avenue South
3
Turn right onto 5th Street South
0.4 mi
·
36 sec
·
5th Street South
4
Turn left onto 10th Avenue South
5.7 mi
·
7 min
·
10th Avenue South
5
Continue straight
18 mi
·
19 min
6
Enter the roundabout and take exit 2 toward the route
223 ft
·
3 sec
·
the route
7
Exit the roundabout
0.3 mi
·
21 sec
8
Turn straight
64 mi
·
1 hr 9 min
9
Continue straight
15 mi
·
15 min
10
Turn straight onto Truck Bypass
2.6 mi
·
3 min
·
Truck Bypass
11
Continue on 1st Avenue North
0.3 mi
·
37 sec
·
1st Avenue North
12
Turn left onto East Main Street
0.4 mi
·
1 min
·
East Main Street
13
Continue on Northeast Main Street
1.1 mi
·
2 min
·
Northeast Main Street
14
Continue on US Highway 87
29 mi
·
31 min
·
US Highway 87
15
Turn right
45 mi
·
1 hr 3 min
16
Arrive at your destination
Trip Plan
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.
You can normally do this drive in one day.
Plan roughly 1 meaningful break for fuel, food, and rest.
The halfway point lands around 90.8 miles from Great Falls, MT, or about 1h 48m into the drive.
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 40 miles or 47m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 90.8 miles or 1h 48m in
This is the best place for your longest stop, a real meal, and a full fuel check.
Final approach
Final hour starts around 2h 57m
Traffic, exits, and arrival timing usually matter more near Roundup, MT than in the middle of the route.
Before You Leave
+
Open the route before leaving Great Falls, 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 Great Falls, MT
This is one driving day of about 181.5 miles and 3h 36m.
Your first comfortable stop window is around 40 miles from Great Falls, MT.
This route can stay practical as a one-day drive if traffic stays reasonable.
Plan about 1 real break rather than only quick fuel stops.
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Halfway Point
Midpoint
About 90.8 mi from Great Falls, MT · 1h 48m into the drive
Mid-route town
Meal stop
91 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.
Pacing Suggestions
Fuel and coffee
A short stop after about 40 miles helps settle the day before fatigue starts building.
Meal break
The midpoint is around 90.8 miles from Great Falls, MT, which is a good place for a longer meal and fuel stop.
Arriving in Roundup, MT
The final approach into Roundup, 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 Roundup, MT.
These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.
Fuel & Cost
Regular Gas
$28.76 one way
$57.52 round trip
$4.03/gal
25.4 MPG avg
64 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.22 | $30.15 | $60.30 |
| premium | $4.53 | $32.38 | $64.75 |
| diesel | $5.61 | $40.07 | $80.15 |
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$29
Meals
$25–$50
Total
$54–$79
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 63.5 kg one way. Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $19 in charging · 0 stops · 67% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 54.4 | 0 | $19.06 | $8.71 |
| Efficient EV | 45.4 | 0 | $15.88 | $7.26 |
| EV Truck/SUV | 72.6 | 0 | $25.41 | $11.62 |
Gas CO2
64 kg
EV CO2
21 kg (67% less)
This trip is well within single-charge range for most EVs. No charging stops needed if you start fully charged.
DC fast charging avg $0.35/kWh. Home charging avg $0.16/kWh. US grid CO2: 0.39 kg/kWh.
Travel Intel
Current conditions at both ends of the drive.
Destination
Roundup, MT
Morning in Roundup on Saturday
Local time
8:52 AM
MDT
Current temp
46°F
Unavailable
Live forecast
37°F
Moore, MT
91 mi in
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
Same local time
Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.
Temperature spread
22 degrees cooler at arrival
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
3h 36m on the road
Use the two city cards together: check the sky where you start, then compare it with the local time and temperature at arrival.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
Frequently Asked Questions
The drive from Great Falls, MT to Roundup, MT covers 181.5 miles and takes about 3h 36m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are 5th Avenue South, 5th Street South, 10th Avenue South. Expect a mix of highway and local road driving.
This is a comfortable same-day trip.
The midpoint is about 90.8 miles from Great Falls, MT. Look for rest areas, gas stations, or food options near the halfway mark.
At current regular gas prices, expect to spend about $28.76 one way. This estimate uses 25.4 MPG — your actual cost will vary with your vehicle's fuel efficiency and current gas prices.
An early start around 7-8 AM gets you there with plenty of daylight left. A late afternoon start means arriving after dark. Morning is better.
Plan about 1 meaningful break for fuel, food, or rest. A short stop every 2 to 3 hours is enough for this drive.
The drive from Great Falls, MT to Roundup, MT is easy. At 3h 36m with 0% highway, most drivers will find it relaxed and low-stress.
This route does not have any notably tricky sections. Most of the drive from Great Falls, MT to Roundup, MT is straightforward, with well-signed roads and simple exits.
The route from Great Falls, MT to Roundup, MT does not surface many named destination signs beyond the main corridor.
How this page is built
Compiled by the Trip.ovh planning team at COD Solutions Oy from open government datasets — OSRM over OpenStreetMap for geometry, and EIA for fuel prices. See our methodology for refresh cadence and limitations.
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