How far is Lockwood, MT from Chinook, MT?
The driving distance from Lockwood, MT to Chinook, MT is about 229.2 miles (368.9 km), with a travel time of about 05h 13m by car.
- The straight-line flight distance is about 195.2 miles (314.2 km).
- For a round trip, plan for roughly 10h 26m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM MDT.
Reverse, save, or send this route
This drive is better planned with a longer stop or an overnight stay. Copy the route link, send it to another device, or print a clean version before you head out.
This drive is better planned with a longer stop or an overnight stay.
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 05h 13m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
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.
Town of the United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Partly Cloudy
Driving Route Map
The map below follows the saved road route between Lockwood and Chinook.
Turn-by-Turn Driving Directions
Step-by-step road directions between Lockwood and Chinook.
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1
Start on Johnson Lane
1156 ft · 33 sec · Johnson Lane
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2
Take the ramp right
2235 ft · 54 sec
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3
Merge slight left
1.8 mi · 2 min
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4
Take the exit slight right toward I 90 Business, US 87 North: Lockwood, Roundup
1389 ft · 36 sec
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5
Merge slight left onto US Highway 87 East
1.2 mi · 1 min · US Highway 87 East
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6
Take the exit slight right
3.5 mi · 6 min
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7
Turn slight left onto Roundup Road
44.4 mi · 49 min · Roundup Road
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8
Turn left onto Main Street
1.2 km · 1 min · Main Street
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9
Turn slight left
44.4 mi · 1 hr 3 min
-
10
Continue straight
21.5 mi · 32 min
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11
Continue straight
35.8 mi · 53 min
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12
Turn left
50 mi · 1 hr 14 min
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13
Turn left
24.7 mi · 28 min
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14
Turn left onto Indiana Street
1775 ft · 1 min · Indiana Street
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15
Arrive at your destination
0 m · 1 sec · Indiana Street
Car Route Details
A richer read on the saved driving route between Lockwood and Chinook.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
Longest stretch
Turn left
50 mi · 01h 14m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A longer out-and-back drive
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
Mostly Clear leaving Lockwood and Partly Cloudy near Chinook.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Lockwood to Chinook?
The road trip is about 229.2 miles (368.9 km) and usually takes 05h 13m in normal driving conditions.
Is this a same-day trip or an overnight route?
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
What is the halfway point on this route?
Grass Range is a useful midpoint, sitting about 114.5 miles from Lockwood and 114.6 miles from Chinook.
How much longer is the road route than the straight-line distance?
The direct path is about 195.2 miles (314.2 km), while the road route adds roughly 34 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 6:00 AM to 8:00 AM MDT. If you want a more comfortable same-day return, try to leave by 6:34 AM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $31.49 one way or $62.99 round trip. Estimated CO2 is about 71.9 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Clear around Lockwood and Partly Cloudy near Chinook.
Flight Path Map
This map shows the direct air route between Lockwood and Chinook. Straight-line distance: 195.24 mi (314.21 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 Chinook
City in Montana
| Population | 1,230 |
| Coordinates | 48.5900000, -109.2312800 |
| Altitude | 740 |
| Country | United States |
End: Chinook (-109.23128, 48.59)
Estimated Travel Time
Distance: 369 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 07h 38m |
| 40 mph (64.37 km/h) | 05h 43m |
| 50 mph (80.47 km/h) | 04h 35m |
| 60 mph (96.56 km/h) | 03h 49m |
| 70 mph (112.65 km/h) | 03h 16m |
| 80 mph (129 km/h) | 02h 51m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $31.49 | $62.99 |
| Mid-grade | $4.23 | $34.23 | $68.46 |
| Premium | $4.55 | $36.80 | $73.60 |
| Diesel | $5.41 | $43.78 | $87.57 |
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 19, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.