Compiled and reviewed by the US Trip Planner planning team at COD Solutions Oy · Last reviewed Apr 18, 2026 · Editorial standards
Drive Time
4h 32m
Distance
265.1 mi
427 km
Drive Score
8/10
Great drive
Same Day?
Yes, doable
Fuel Cost
$42
one way
EV Charging
Unknown
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Sidney, MT
Wikimedia Commons
Lockwood, MT
Wikimedia Commons
Sidney, MT to Lockwood, MT is 265.1 miles and takes about 4h 32m via I 94, with a fuel budget near $36 and enough daylight to finish in a day. This drive stays within the Mountain West region, offering a straightforward, single-day journey. It's a highway-focused trip, meaning you'll be covering ground efficiently. Consider this route if you need a direct path between these two Montana locations without extensive detours. The overall experience is one of steady progress across the state.
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
132.6 miles from Sidney, MT
A natural place for your longest stop of the day , about 2h 19m into the drive .
| Road | Distance | Duration |
|---|---|---|
| I 94 | 212.8 mi | 3h 31m |
| MT 16 | 48.9 mi | 55m |
| North Central Avenue | 2.5 mi | 2m |
| I 90 | 0.3 mi | <1m |
| Johnson Lane | 0.2 mi | <1m |
Step-by-step road directions between Sidney, MT and Lockwood, MT.
Start on MT 16; MT 200
Enter roundabout onto MT 16
Continue on MT 16
Take the exit
Merge onto I 94
Merge onto I 90; US 87; US 212
Take the exit
Turn right onto Johnson Lane
Arrive at destination
Given the 4h 32m estimated duration, starting your drive in Sidney, MT in the morning is ideal, allowing you to reach Lockwood, MT with plenty of daylight remaining. With only one recommended stop, you can plan your breaks strategically, perhaps around the halfway point or when you feel the need to stretch. The longest stretch on I 94 is over 200 miles, so ensure you have adequate fuel before embarking on that segment. Keep an eye on your fuel gauge, as services can be spread out on Montana highways.
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 58 miles or 1h 5m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 132.6 miles or 2h 19m 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 43m
Traffic, exits, and arrival timing usually matter more near Lockwood, MT than in the middle of the route.
Open the route before leaving Sidney, 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 Sidney, MT
This is one driving day of about 265.1 miles and 4h 32m.
Rest stops, refuel points, and overnight suggestions along this route.
Mid-route town
Meal stop
133 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 58 miles helps settle the day before fatigue starts building.
The midpoint is around 132.6 miles from Sidney, MT, which is a good place for a longer meal and fuel stop.
Before the longest stretch
Fuel checkTop up before I 94 if your tank is already low. That segment runs about 212.8 miles.
These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.
5 decision points cluster between mile 2.5 and 264.9 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
Enter roundabout onto MT 16
Roundabout - know your exit number before entering
Take the exit
Exit ramp - move to the correct lane early
Merge onto I 94
Merge point - match speed before joining
Take the exit toward Johnson Lane
Exit ramp - move to the correct lane early
Turn right onto Johnson Lane
Navigation decision point
Regular Gas
$42.01 one way
$84.02 round trip
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.22 | $44.03 | $88.07 |
| premium | $4.53 | $47.29 | $94.58 |
| diesel | $5.61 | $58.53 | $117.06 |
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$42
Meals
$25–$50
Total
$67–$92
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 92.8 kg one way. Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $28 in charging · 0 stops · 67% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 79.5 | 0 | $27.84 | $12.72 |
| Efficient EV | 66.3 | 0 | $23.20 | $10.60 |
| EV Truck/SUV | 106 | 1 | $37.11 | $16.97 |
Gas CO2
93 kg
EV CO2
31 kg (67% less)
Plan for 0 charging stops, roughly every 270 miles. Allow 25-40 minutes per stop at a DC fast charger.
DC fast charging avg $0.35/kWh. Home charging avg $0.16/kWh. US grid CO2: 0.39 kg/kWh.
Current conditions at both ends of the drive.
Origin
Night in Sidney on Saturday
Local time
10:35 PM
MDT
Current temp
50°F
Mostly Cloudy
Destination
Night in Lockwood on Saturday
Local time
10:35 PM
MDT
Current temp
77°F
Unavailable
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.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
Expect a predominantly highway-focused drive, with 99% of the journey on major roads like I 94 and MT 16. You'll encounter one long stretch of 212.8 miles on I 94, so settle in for some consistent cruising. The route is designed for efficiency, so you won't find many winding local roads or technically challenging sections. This means you can maintain a good pace for most of the drive, making it a smooth experience for the driver.
This is a straightforward highway drive that stays mostly on I 94 and MT 16. There are only a few real navigation decisions along the way. The trickiest moment comes around 2.5 miles in near MT 16.
Easy - simple navigation with a manageable amount of wheel time
Balances navigation complexity with total wheel time.
This is a straightforward 4h 32m drive. You will face about 6 decision points, but nothing that requires special attention if you follow navigation.
Where does it get tricky?
The main spots that need attention: at 2.5 miles (MT 16): Roundabout - know your exit number before entering; at 51.4 miles: Exit ramp - move to the correct lane early; at 51.6 miles (I 94): Merge point - match speed before joining.
Weekend Trip
Doable as a same-day drive at 4h 32m. Total distance: 265.1 miles.
Family Friendly
Moderate complexity with 1 natural rest stops along the way.
Solo Traveler
4h 32m drive, comfortable solo distance.
First-Time Driver
Mostly highway driving (99%). Straightforward navigation.
Compiled by the US Trip Planner 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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