Origin
Ennis, MT
Afternoon in Ennis on Sunday
Local time
2:48 PM
MDT
Current temp
47°F
Unavailable
Live forecast
Trip from Ennis, MT to Great Falls, MT
Drive Time
3h 31m
Distance
197.5 mi
318 km
Drive Score
8/10
Great drive
Same Day?
Yes, doable
Fuel Cost
$31
one way
EV Charging
Loading...
station data
Best Time to Leave
4 AM
3h 19m
★
6 AM
3h 32m
8 AM
3h 56m
10 AM
3h 40m
12 PM
3h 38m
3 PM
3h 42m
5 PM
3h 55m
8 PM
3h 24m
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Great Falls, MT
Tomás Asurmendi
Trip Overview
The drive from Ennis, MT to Great Falls, MT covers 197.5 miles and takes about 3h 31m behind the wheel. This route is realistic as a one-day drive if you keep your stops efficient.
The route leans on I 15 North, First Special Service Force Memorial Highway, I 15 for much of the mileage, and the overall profile is turn-heavy local drive. At current regular gas prices, budget about $31.30 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
98.7 miles from Ennis, MT
A natural place for your longest stop of the day , about 1h 45m into the drive .
Drive Character
Expect a 3h 31m drive with frequent turns across 197.5 miles of local and secondary roads.
This route has more turning and local-road decision points than a simple highway run.
There are about 10 navigation steps in the underlying route data, so the final approach matters more than the middle miles.
I 15 North 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.
Route Complexity
1/10
Very easy - short and simple to drive
The drive from Ennis, MT to Great Falls, MT is easy. At 3h 31m 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 Ennis, MT to Great Falls, MT is straightforward, with well-signed roads and simple exits.
Main Roads
| Road | Distance | Duration |
|---|---|---|
| I 15 North | Unavailable | Refreshing |
| First Special Service Force Memorial Highway | Unavailable | Refreshing |
| I 15 | Unavailable | Refreshing |
| Country Club Boulevard | Unavailable | Refreshing |
| 10th Avenue South | Unavailable | Refreshing |
| 4th Street South | Unavailable | Refreshing |
Per-road distance and duration are being refreshed from OSRM for this route.
Longest stretch:
I 15 North
— detailed segment metrics are refreshing.
Turn-by-Turn Driving Directions
Step-by-step road directions between Ennis, MT and Great Falls, MT.
1
Start on Main Street
138 ft
·
5 sec
·
Main Street
2
Turn straight
449 ft
·
15 sec
3
Continue straight
108 mi
·
2 hr 2 min
4
Take the exit slight right toward I 15 North: Great Falls
0.4 mi
·
48 sec
·
I 15 North: Great Falls
5
Merge slight left onto First Special Service Force Memorial Highway
86 mi
·
1 hr 22 min
·
First Special Service Force Memorial Highway
6
Take the exit slight right toward I 15 Business, US 89 South, MT 200 East
0.4 mi
·
49 sec
·
I 15 Business, US 89 South, MT 200 East
7
Continue on Country Club Boulevard
1.4 mi
·
1 min
·
Country Club Boulevard
8
Continue on 10th Avenue South
0.7 mi
·
58 sec
·
10th Avenue South
9
Turn left onto 4th Street South
0.4 mi
·
1 min
·
4th Street South
10
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 98.7 miles from Ennis, MT, or about 1h 45m 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 80 miles or 1h 25m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 98.7 miles or 1h 45m 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 53m
Traffic, exits, and arrival timing usually matter more near Great Falls, MT than in the middle of the route.
Before You Leave
+
Open the route before leaving Ennis, 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 Ennis, MT
This is one driving day of about 197.5 miles and 3h 31m.
Your first comfortable stop window is around 80 miles from Ennis, 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 98.7 mi from Ennis, MT · 1h 45m into the drive
Mid-route town
Meal stop
99 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 80 miles helps settle the day before fatigue starts building.
Meal break
The midpoint is around 98.7 miles from Ennis, MT, which is a good place for a longer meal and fuel stop.
Arriving in Great Falls, MT
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.
Fuel & Cost
Regular Gas
$31.30 one way
$62.59 round trip
$4.03/gal
25.4 MPG avg
69 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.23 | $32.90 | $65.80 |
| premium | $4.53 | $35.22 | $70.43 |
| diesel | $5.64 | $43.88 | $87.76 |
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$31
Meals
$25–$50
Total
$56–$81
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 69.1 kg one way. Prices: EIA weekly data, 2026-04-06.
Driving Electric?
About $21 in charging · 0 stops · 67% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 59.3 | 0 | $20.74 | $9.48 |
| Efficient EV | 49.4 | 0 | $17.28 | $7.90 |
| EV Truck/SUV | 79 | 0 | $27.65 | $12.64 |
Gas CO2
69 kg
EV CO2
23 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
Great Falls, MT
Afternoon in Great Falls on Sunday
Local time
2:48 PM
MDT
Current temp
35°F
Unavailable
Live forecast
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
12 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 31m 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 Ennis, MT to Great Falls, MT covers 197.5 miles and takes about 3h 31m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are I 15 North, First Special Service Force Memorial Highway, I 15. Expect a mix of highway and local road driving.
This is a comfortable same-day trip.
The midpoint is about 98.7 miles from Ennis, MT. Look for rest areas, gas stations, or food options near the halfway mark.
At current regular gas prices, expect to spend about $31.30 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 Ennis, MT to Great Falls, MT is easy. At 3h 31m 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 Ennis, MT to Great Falls, MT is straightforward, with well-signed roads and simple exits.
The route from Ennis, MT to Great Falls, MT does not surface many named destination signs beyond the main corridor.
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