How far is Lockwood, MT from Colstrip, MT?
The driving distance from Lockwood, MT to Colstrip, MT is about 121.1 miles (194.9 km), with a travel time of about 02h 19m by car.
- The straight-line flight distance is about 86.3 miles (138.9 km).
- For a round trip, plan for roughly 04h 39m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM MDT.
Reverse, save, or send this route
This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.
This route works well as a day trip with time at the destination.
Flight Distance
Driving Distance
Gas Cost Calculator
Leave and Arrive Planner
Pick a departure time to see your estimated arrival and same-day return window.
Drive time stays fixed at 02h 19m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
You are leaving earlier than the recommended window, which gives you extra margin for breaks and traffic.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
Census designated place
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Driving Route Map
The map below follows the saved road route between Lockwood and Colstrip.
Turn-by-Turn Driving Directions
Step-by-step road directions between Lockwood and Colstrip.
-
1
Start on Johnson Lane
1900 ft · 54 sec · Johnson Lane
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2
Take the ramp sharp left
1908 ft · 46 sec
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3
Merge slight left
1.2 km · 50 sec
-
4
Keep slight right to continue on I 90 East: Sheridan
54 mi · 51 min
-
5
Take the exit slight right toward US 212 East: Little Bighorn Battlefield, Broadus
2032 ft · 54 sec
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6
Turn left
42.1 mi · 50 min
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7
Enter the roundabout and take exit 3 toward Cheyenne Avenue
100 m · 6 sec · Cheyenne Avenue
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8
Exit the roundabout onto Cheyenne Avenue
2522 ft · 43 sec · Cheyenne Avenue
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9
Continue on State Highway 39
22.2 mi · 33 min · State Highway 39
-
10
Turn right onto Box Elder Avenue
2176 ft · 2 min · Box Elder Avenue
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11
Arrive at your destination
0 m · 1 sec · Park Street
Car Route Details
A richer read on the saved driving route between Lockwood and Colstrip.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
I 90 East
Keep slight right to continue on I 90 East: Sheridan
54 mi · 00h 51m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A comfortable day-trip route
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
Sunny leaving Lockwood and Sunny near Colstrip.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Lockwood to Colstrip?
The road trip is about 121.1 miles (194.9 km) and usually takes 02h 19m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
What is the halfway point on this route?
Crow Agency is a useful midpoint, sitting about 60.4 miles from Lockwood and 60.6 miles from Colstrip.
How much longer is the road route than the straight-line distance?
The direct path is about 86.3 miles (138.9 km), while the road route adds roughly 34.8 extra miles because roads do not follow the straight air line.
When is the best time to leave for this route?
A good departure window is usually 8:00 AM to 10:00 AM MDT. If you want a more comfortable same-day return, try to leave by 1:50 PM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $16.62 one way or $33.25 round trip. Estimated CO2 is about 37.9 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Lockwood and Sunny near Colstrip.
Stop Ideas Near Crow Agency
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Crow Agency.
Billings, MT
Flight Path Map
This map shows the direct air route between Lockwood and Colstrip. Straight-line distance: 86.31 mi (138.91 km).
#1 Lockwood
Human settlement in Yellowstone County, Montana, United States of America
| Population | 6,797 |
| Coordinates | 45.8191200, -108.4148600 |
| Altitude | 943 |
| Country | United States |
#2 Colstrip
Town focused on coal mining and electricity production
| Population | 2,217 |
| Coordinates | 45.8841600, -106.6236400 |
| Altitude | 982 |
| Country | United States |
End: Colstrip (-106.62364, 45.88416)
Estimated Travel Time
Distance: 195 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 04h 02m |
| 40 mph (64.37 km/h) | 03h 01m |
| 50 mph (80.47 km/h) | 02h 25m |
| 60 mph (96.56 km/h) | 02h 01m |
| 70 mph (112.65 km/h) | 01h 43m |
| 80 mph (129 km/h) | 01h 30m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $16.62 | $33.25 |
| Mid-grade | $4.23 | $18.07 | $36.13 |
| Premium | $4.55 | $19.42 | $38.85 |
| Diesel | $5.41 | $23.11 | $46.22 |
Assumes 8.3 L/100 km (about 28.3 MPG). CO2 is an estimate and varies by vehicle, fuel blend, traffic, and terrain.
Prices in Montana · Apr 18, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.