Ennis, MT to Lockwood, MT is 199.9 miles and takes about 3h 45m via I 90 and US 287, with a fuel budget near $32 and enough daylight to finish in a day. This single-day trip stays within Montana, traversing the Mountain West region. Expect a drive primarily on well-maintained highways, making it a straightforward journey. It’s a practical option if you need to get from point A to point B efficiently within the state. Consider this route for its directness and manageable time commitment.
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
100 miles from Ennis, MT
A natural place for your longest stop of the day
, about 2h 4m into the drive
.
Main Roads
Road
Distance
Duration
I 90
144.9 mi
2h 25m
Norris Road
17.5 mi
26m
US 287
16.4 mi
19m
Montana Highway 84
11.4 mi
16m
Huffine Lane
5.3 mi
7m
West Babcock Street
1.8 mi
4m
East Main Street
0.9 mi
2m
West Main Street
0.7 mi
<1m
Longest stretch:
I 90
— 144.9 mi, about 2h 25m
Turn-by-Turn Driving Directions
Step-by-step road directions between Ennis, MT and Lockwood, MT.
1
Start on US 287
138 ft·4 sec·Main Street
2
Turn straight onto US 287
448 ft·15 sec·US 287
3
Continue on US 287
16 mi·19 min·US 287
4
Turn right onto MT 84
11 mi·16 min·Montana Highway 84
5
Continue on MT 84
18 mi·26 min·Norris Road
6
Continue on US 191; MT 84
5.3 mi·7 min·Huffine Lane
Use the straight / right lanes.
7
Continue on US 191; MT 84
0.7 mi·58 sec·West Main Street
Use the left / straight lanes.
8
Turn right onto West Babcock Street
0.7 mi·1 min·West Babcock Street
9
At end of road, turn right onto South 11th Avenue
36 ft·6 sec·South 11th Avenue
10
Turn left onto West Babcock Street
1.1 mi·2 min·West Babcock Street
11
At end of road, turn left onto South Wallace Avenue
358 ft·13 sec·South Wallace Avenue
12
Turn right onto I 90 Business; US 191; MT 84
0.9 mi·2 min·East Main Street
13
Take the exit
0.3 mi·43 sec
14
Merge onto I 90; US 191
23 mi·23 min·I 90; US 191
15
Continue on I 90; US 89; US 191
6.9 mi·6 min·I 90; US 89; US 191
16
Continue on I 90; US 191
113 mi·1 hr 53 min·I 90; US 191
17
Continue on I 90; US 87; US 212
1.8 mi·2 min·I 90; US 87; US 212
18
Take the exit
0.3 mi·39 sec
Toward Johnson Lane
19
Turn left onto Johnson Lane
0.4 mi·46 sec·Johnson Lane
20
Arrive at destination
Johnson Lane
Trip Plan
With a duration of under four hours, this route is easily achievable in a single day. You could depart Ennis, MT anytime in the morning and arrive in Lockwood, MT by early afternoon. Given the longest stretch is over 144 miles on I 90, plan your fuel stops accordingly, though the overall fuel cost is estimated at a reasonable $32. There's only one recommended stop, suggesting you won't need to break up the drive extensively. Enjoy the flexibility this shorter route offers.
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 100 miles from Ennis, MT, or about 2h 4m into the drive.
The longest continuous stretch on this route runs about 144.9 miles.
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 44 miles or 1h in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 100 miles or 2h 4m in
This is the best place for your longest stop, a real meal, and a full fuel check.
Final approach
Final hour starts around 3h 8m
Traffic, exits, and arrival timing usually matter more near Lockwood, 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 199.9 miles and 3h 45m.
Your first comfortable stop window is around 44 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.
The longest stretch is on I 90 for about 144.9 miles.
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Place data sourced from public business listings. Hours and availability may vary.
Heads-up: tricky spots
5 of 10
5 decision points cluster between mile 16.4 and 53.1 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
4
16.4 mi into trip|~19m in|MT 84 / Montana Highway 84
Turn right onto MT 84 / Montana Highway 84
Navigation decision point
4
51.3 mi into trip|~1h 11m in|West Babcock Street
Turn right onto West Babcock Street
Navigation decision point
5
52 mi into trip|~1h 13m in|South 11th Avenue
At end of road, turn right onto South 11th Avenue
Navigation decision point
4
52 mi into trip|~1h 13m in|West Babcock Street
Turn left onto West Babcock Street
Navigation decision point
4
53.1 mi into trip|~1h 16m in|South Wallace Avenue
At end of road, turn left onto South Wallace Avenue
Navigation decision point
Fuel & Cost
Regular Gas
$31.68 one way
$63.35 round trip
$4.03/gal25.4 MPG avg70 kg CO2
Fuel Type
$/gal
One Way
Round Trip
midgrade
$4.22
$33.20
$66.41
premium
$4.53
$35.66
$71.32
diesel
$5.61
$44.14
$88.27
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$32
Meals
$25–$50
Total
$57–$82
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 69.9 kg one way.
Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $21 in charging
· 0 stops
· 67% less CO2
Vehicle Type
kWh
Stops
DC Fast
Home Charge
Average EV
60
0
$20.99
$9.60
Efficient EV
50
0
$17.49
$8.00
EV Truck/SUV
80
0
$27.99
$12.79
Gas CO2
70 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.
Forecast as of Apr 21, 2026
Origin
Ennis, MT
Late night
in Ennis on Tuesday
Local time
3:08 AM
MDT
Current temp
54°F
Unavailable
Live forecast
Destination
Lockwood, MT
Late night
in Lockwood on Tuesday
Local time
3:08 AM
MDT
Current temp
51°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
3 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 45m 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.
More Details
What kind of drive is this?
This is largely a highway-focused drive, with an 86% share on major roads like I 90 and US 287. You'll experience a long, uninterrupted stretch of 144.9 miles on I 90, offering a consistent pace. The route incorporates some local roads, like Norris Road, but the majority of your time will be spent on faster, more direct highways. This means you can expect a smooth and efficient journey for most of the 199.9 miles.
86% highway — fuel and pacing are the main things to plan.
20 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 144.9 mi on I 90.
How Hard Is This Drive?
2/10
This is a straightforward highway drive that stays mostly on I 90 and Norris Road. Navigation is very simple - set it and forget it for most of the drive. The trickiest moment comes around 16.4 miles in near MT 84 / Montana Highway 84.
Driving Effort2/10
Very easy - short and simple to drive
Balances navigation complexity with total wheel time.
The drive from Ennis, MT to Lockwood, MT is easy. At 3h 45m with 86% highway, most drivers will find it relaxed and low-stress.
Where does it get tricky?
The main spots that need attention: at 16.4 miles (MT 84 / Montana Highway 84): Navigation decision point; at 51.3 miles (West Babcock Street): Navigation decision point; at 52 miles (South 11th Avenue): Navigation decision point.
Who Is This Route For?
Weekend Trip
Doable as a same-day drive at 3h 45m. Total distance: 199.9 miles.
Family Friendly
Moderate complexity with 1 natural rest stops along the way.
The longest stretch is about 144.9 miles on I 90. The full list of main roads is in the Roads section above.
We did not find dedicated rest areas on this route. For a drive this long, plan bathroom and stretch breaks around gas stations, fast-food stops, or small-town downtowns — check the Nearby Places section for options.
Yes, with realistic expectations. Build in a stop roughly every 2 hours, have snacks and activities ready, and check the Nearby Places tabs for kid-friendly stops along the way.
Mostly yes along the main roads, but rural stretches through MT can have sparse or no coverage. Before you leave, download offline Google Maps or Apple Maps for the route, and consider downloading music or podcasts instead of streaming. If you depend on data for navigation, keep a paper backup of the turn-by-turn directions.
The main spots that need attention: at 16.4 miles (MT 84 / Montana Highway 84): Navigation decision point; at 51.3 miles (West Babcock Street): Navigation decision point; at 52 miles (South 11th Avenue): Navigation decision point.
Possible but tiring. At 3.8 hours each way, an in-and-out day trip would put you behind the wheel for 7.5 hours — manageable with a long break at Lockwood, MT, but most travelers stay overnight.
