How far is Lewistown, MT from Warm Springs, MT?
The driving distance from Lewistown, MT to Warm Springs, MT is about 263 miles (423.3 km), with a travel time of about 04h 46m by car.
- The straight-line flight distance is about 170.5 miles (274.4 km).
- For a round trip, plan for roughly 09h 33m 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 04h 46m.
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 in Cascade County, Montana, United States
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 Lewistown and Warm Springs.
Turn-by-Turn Driving Directions
Step-by-step road directions between Lewistown and Warm Springs.
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1
Start on 6th Avenue South
121 m · 23 sec · 6th Avenue South
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2
Turn left onto West Main Street
1.3 km · 2 min · West Main Street
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3
Continue on US Highway 87
1.5 mi · 2 min · US Highway 87
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4
At the end of the road, turn left onto US Highway 87
14.7 mi · 16 min · US Highway 87
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5
Continue straight
64.3 mi · 1 hr 10 min
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6
Turn slight right
1588 ft · 21 sec
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7
Enter the roundabout and take exit 2 toward the route
52 m · 2 sec
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8
Exit the roundabout
557 ft · 7 sec
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9
Continue straight
24 mi · 31 min
-
10
Continue on Country Club Boulevard
1.3 mi · 2 min · Country Club Boulevard
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11
Keep slight left
1.2 km · 2 min
-
12
Merge slight left onto First Special Service Force Memorial Highway
83.7 mi · 1 hr 20 min · First Special Service Force Memorial Highway
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13
Take the exit slight right toward Custer Avenue
2062 ft · 54 sec
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14
Turn right onto East Custer Avenue
1818 ft · 43 sec · East Custer Avenue
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15
Continue on West Custer Avenue
1.6 mi · 3 min · West Custer Avenue
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16
Turn left onto Henderson Street
1341 ft · 36 sec · Henderson Street
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17
Turn right onto Brady Street
1714 ft · 58 sec · Brady Street
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18
Continue on Joslyn Street
2756 ft · 2 min · Joslyn Street
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19
Turn right onto Euclid Avenue
41.5 mi · 46 min · Euclid Avenue
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20
Turn left
2539 ft · 43 sec
-
21
Continue straight
802 ft · 14 sec
-
22
Take the ramp straight
1.4 km · 2 min
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23
Merge slight left
24.7 mi · 23 min
-
24
Take the exit slight right toward Warm Springs, Anaconda
1826 ft · 45 sec
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25
Turn right onto Gas City Road
25 m · 1 sec · Gas City Road
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26
Arrive at your destination
0 m · 1 sec · Gas City Road
Car Route Details
A richer read on the saved driving route between Lewistown and Warm Springs.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
First Special Service Force Memorial Highway
Merge slight left onto First Special Service Force Memorial Highway
83.7 mi · 01h 20m
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.
Sunny leaving Lewistown and Sunny near Warm Springs.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Lewistown to Warm Springs?
The road trip is about 263 miles (423.3 km) and usually takes 04h 46m 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?
Cascade is a useful midpoint, sitting about 131.3 miles from Lewistown and 131.7 miles from Warm Springs.
How much longer is the road route than the straight-line distance?
The direct path is about 170.5 miles (274.4 km), while the road route adds roughly 92.5 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 7:26 AM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $41.70 one way or $83.41 round trip. Estimated CO2 is about 82.5 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Lewistown and Sunny near Warm Springs.
Flight Path Map
This map shows the direct air route between Lewistown and Warm Springs. Straight-line distance: 170.5 mi (274.4 km).
#1 Lewistown
City in Montana, United States
| Population | 5,905 |
| Coordinates | 47.0624700, -109.4282400 |
| Altitude | 1203 |
| Country | United States |
#2 Warm Springs
Situated in southwestern Montana's Deer Lodge Valley at an elevation of 4,813 feet, this unincorporated community is part of Deer Lodge County.
| Population | 0 |
| Coordinates | 46.1813100, -112.7847600 |
| Altitude | 1467 |
| Country | United States |
End: Warm Springs (-112.78476, 46.18131)
Estimated Travel Time
Distance: 423 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 08h 45m |
| 40 mph (64.37 km/h) | 06h 34m |
| 50 mph (80.47 km/h) | 05h 15m |
| 60 mph (96.56 km/h) | 04h 23m |
| 70 mph (112.65 km/h) | 03h 45m |
| 80 mph (129 km/h) | 03h 16m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.49 | $41.70 | $83.41 |
| Mid-grade | $4.83 | $44.78 | $89.55 |
| Premium | $5.19 | $48.19 | $96.38 |
| Diesel | $6.11 | $56.70 | $113.40 |
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 · Oct 15, 2026