How far is Thompson Falls, MT from Lockwood, MT?
The driving distance from Thompson Falls, MT to Lockwood, MT is about 450.1 miles (724.4 km), with a travel time of about 06h 53m by car.
- The straight-line flight distance is about 350.1 miles (563.4 km).
- For a round trip, plan for roughly 13h 47m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 7:30 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 06h 53m.
Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
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.
Consolidated city-county in Montana, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Rain And Snow
Rain And Snow Showers Likely
Driving Route Map
The map below follows the saved road route between Thompson Falls and Lockwood.
Turn-by-Turn Driving Directions
Step-by-step road directions between Thompson Falls and Lockwood.
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1
Start on Woodland Street
143 m · 22 sec · Woodland Street
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2
At the end of the road, turn right onto East Preston Avenue
130 m · 19 sec · East Preston Avenue
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3
Turn left
637 ft · 35 sec
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4
Turn left onto Main Street
25.6 mi · 38 min · Main Street
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5
Continue on Montana Highway 200
31.5 mi · 47 min · Montana Highway 200
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6
Continue on A Street
7.5 mi · 11 min · A Street
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7
Turn right
27.3 mi · 32 min
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8
Continue on West Broadway Street
925 ft · 24 sec · West Broadway Street
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9
Continue on West Broadway Street
733 ft · 18 sec · West Broadway Street
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10
Take the exit slight right toward I 90 East: Missoula
124.6 mi · 2 hr
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11
Keep slight right
110.8 mi · 1 hr 51 min
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12
Continue straight
6.9 mi · 6 min
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13
Continue straight
113 mi · 1 hr 53 min
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14
Continue straight
1.8 mi · 2 min
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15
Take the exit slight right toward Johnson Lane
1505 ft · 40 sec
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16
Turn left onto Johnson Lane
1900 ft · 46 sec · Johnson Lane
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17
Arrive at your destination
0 m · 1 sec · Johnson Lane
Car Route Details
A richer read on the saved driving route between Thompson Falls and Lockwood.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
I 90 East
Take the exit slight right toward I 90 East: Missoula
125 mi · 02h 00m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
Better with a longer stop
This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.
Chance Rain And Snow leaving Thompson Falls and Rain And Snow Showers Likely near Lockwood.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Thompson Falls to Lockwood?
The road trip is about 450.1 miles (724.4 km) and usually takes 06h 53m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.
What is the halfway point on this route?
Butte is a useful midpoint, sitting about 224.7 miles from Thompson Falls and 225.4 miles from Lockwood.
How much longer is the road route than the straight-line distance?
The direct path is about 350.1 miles (563.4 km), while the road route adds roughly 100 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 7:30 AM MDT. Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $61.82 one way or $123.64 round trip. Estimated CO2 is about 141.1 kg one way.
What should you check before leaving?
Before you leave, expect Chance Rain And Snow around Thompson Falls and Rain And Snow Showers Likely near Lockwood.
Flight Path Map
This map shows the direct air route between Thompson Falls and Lockwood. Straight-line distance: 350.07 mi (563.39 km).
#1 Thompson Falls
Town in Montana, United States
| Population | 1,432 |
| Coordinates | 47.5948900, -115.3383400 |
| Altitude | 779 |
| Country | United States |
#2 Lockwood
Human settlement in Yellowstone County, Montana, United States of America
| Population | 6,797 |
| Coordinates | 45.8191200, -108.4148600 |
| Altitude | 943 |
| Country | United States |
End: Johnson Lane (-108.41395, 45.819127)
Estimated Travel Time
Distance: 724 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 14h 59m |
| 40 mph (64.37 km/h) | 11h 15m |
| 50 mph (80.47 km/h) | 09h 00m |
| 60 mph (96.56 km/h) | 07h 30m |
| 70 mph (112.65 km/h) | 06h 25m |
| 80 mph (129 km/h) | 05h 36m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $61.82 | $123.64 |
| Mid-grade | $4.23 | $67.19 | $134.38 |
| Premium | $4.55 | $72.24 | $144.48 |
| Diesel | $5.41 | $85.94 | $171.89 |
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 23, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.